Product comparison · 2 pcs/workstations

Lenovo ThinkCentre E75s Intel® Core™ i7 i7-7700 vs Lenovo ThinkStation P520c Intel Xeon W W-2225

49specifications compared
22differ
27identical
111known for one product only

Key differences

Processor family
- ThinkCentre E75s Intel® Core™ i7 i7-7700:Intel® Core™ i7
- ThinkStation P520c Intel Xeon W W-2225:Intel Xeon W
Processor model
- ThinkCentre E75s Intel® Core™ i7 i7-7700:i7-7700
- ThinkStation P520c Intel Xeon W W-2225:W-2225
Processor boost frequency
- ThinkCentre E75s Intel® Core™ i7 i7-7700:4.2 GHz
- ThinkStation P520c Intel Xeon W W-2225:4.6 GHz
Processor frequency
- ThinkCentre E75s Intel® Core™ i7 i7-7700:3.6 GHz
- ThinkStation P520c Intel Xeon W W-2225:4.1 GHz
Processor cache
- ThinkCentre E75s Intel® Core™ i7 i7-7700:8 MB
- ThinkStation P520c Intel Xeon W W-2225:8.25 MB
Internal memory
- ThinkCentre E75s Intel® Core™ i7 i7-7700:8 GB
- ThinkStation P520c Intel Xeon W W-2225:32 GB
Total storage capacity
- ThinkCentre E75s Intel® Core™ i7 i7-7700:1 TB
- ThinkStation P520c Intel Xeon W W-2225:512 GB
Storage media
- ThinkCentre E75s Intel® Core™ i7 i7-7700:HDD
- ThinkStation P520c Intel Xeon W W-2225:SSD

Side by side

Differences highlightedShow differences only

Comparison of E75s, P520c
160 specifications	A Lenovo ThinkCentre E75s Intel® Core™ i7 i7-7700 Model E75s View product	B Lenovo ThinkStation P520c Intel Xeon W W-2225 Model P520c View product
Processor5 differ
Processor familyDiffers	Intel® Core™ i7	Intel Xeon W
Processor generationKnown for one	7th gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-7700	W-2225
Processor boost frequencyDiffers	4.2 GHz	4.6 GHz
Processor frequencyDiffers	3.6 GHz	4.1 GHz
Processor cacheDiffers	8 MB	8.25 MB
Processor cache typeKnown for one	Smart Cache	Unknown — not stated by the source
Bus typeKnown for one	DMI3	Unknown — not stated by the source
System bus rateKnown for one	8 GT/s	Unknown — not stated by the source
Processor lithographyKnown for one	14 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor codenameKnown for one	Kaby Lake	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	65 W	Unknown — not stated by the source
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 1x8+2x4, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	3.0	Unknown — not stated by the source
Processor socketKnown for one	LGA 1151 (Socket H4)	Unknown — not stated by the source
SteppingKnown for one	B0	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	64 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3L, DDR4-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	1333,1600,2133,2400 MHz	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory voltage supported by processorKnown for one	1.35 V	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	8 GB	32 GB
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Maximum internal memoryKnown for one	Unknown — not stated by the source	256 GB
Memory slotsKnown for one	Unknown — not stated by the source	4x DIMM
Memory clock speedKnown for one	Unknown — not stated by the source	2933 MHz
ECCKnown for one	Unknown — not stated by the source	Yes
Storage3 differ
Total storage capacityDiffers	1 TB	512 GB
Storage mediaDiffers	HDD	SSD
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	1 TB	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Card reader integratedDiffers	No	Yes
Total SSDs capacityKnown for one	Unknown — not stated by the source	512 GB
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	512 GB
NVMeKnown for one	Unknown — not stated by the source	Yes
SSD interfaceKnown for one	Unknown — not stated by the source	PCI Express 3.0
SSD form factorKnown for one	Unknown — not stated by the source	M.2
Compatible memory cardsKnown for one	Unknown — not stated by the source	SD
Graphics4 differ
On-board graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 730	NVIDIA T1000
Discrete graphics card memoryDiffers	1 GB	8 GB
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® HD Graphics 630	Not available
Maximum on-board graphics card memoryKnown for one	64 GB	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	3	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	350 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1150 MHz	Unknown — not stated by the source
On-board graphics card DirectX versionKnown for one	12.0	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x5912	Unknown — not stated by the source
On-board graphics card OpenGL versionKnown for one	4.4	Unknown — not stated by the source
Discrete GPU manufacturerKnown for one	Unknown — not stated by the source	NVIDIA
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR6
Graphics card Mini DisplayPort ports quantityKnown for one	Unknown — not stated by the source	4
Performance1 differ
Product typeDiffers	PC	Workstation
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® C422
Password protectionKnown for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	Unknown — not stated by the source	Power on, Supervisor
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Optical driveidentical
Optical drives quantityKnown for one	1	Unknown — not stated by the source
Networkidentical
Wi-FiKnown for one	No	Unknown — not stated by the source
LAN controllerKnown for one	Unknown — not stated by the source	Intel® I219-LM
Ports & interfaces2 differ
HDMI ports quantityDiffers	1	0
VGA (D-Sub) ports quantityDiffers	1	0
PS/2 ports quantityKnown for one	Unknown — not stated by the source	2
Poweridentical
Power supplyKnown for one	180 W	Unknown — not stated by the source
Power supply input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Design1 differ
Chassis typeDiffers	SFF	Tower
VolumeKnown for one	Unknown — not stated by the source	25 L
Placement supportedKnown for one	Unknown — not stated by the source	Vertical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Certified refurbishedKnown for one	Unknown — not stated by the source	No
Software1 differ
Operating system installedDiffers	Windows 10 Home	Windows 11 Pro for Workstations
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 10 Pro for Workstations
Displayidentical
Display includedKnown for one	No	Unknown — not stated by the source
Processor special featuresidentical
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	Yes	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Software Guard Extensions (Intel SGX)Known for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	1.00	Unknown — not stated by the source
Intel TSX-NIKnown for one	Yes	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	1.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® OS GuardKnown for one	Yes	Unknown — not stated by the source
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Processor ARK IDKnown for one	97128	Unknown — not stated by the source
Processor codeKnown for one	SR338	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
ScalabilityKnown for one	1S	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX 2.0, SSE4.1, SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Thermal solution specificationKnown for one	PCG 2015C	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	2.0	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Conflict-Free processorKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	92.5 mm	175 mm
DepthDiffers	343 mm	426 mm
HeightDiffers	290.5 mm	376 mm
WeightDiffers	6 kg	14.5 kg
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Neural processor unit (NPU)identical
Copilot+ PCKnown for one	Unknown — not stated by the source	No
Audioidentical
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC662
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 35 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 60 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	0 - 12192 m
Keyboardidentical
Keyboard connectivityKnown for one	Unknown — not stated by the source	Wired

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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