Product comparison · 2 pcs/workstations

Fujitsu ESPRIMO P3521 Intel® Core™2 Quad Q8300 vs Lenovo ThinkStation E20, FR

79specifications compared
39differ
40identical
67known for one product only

Key differences

The Fujitsu ESPRIMO P3521 Intel® Core™2 Quad Q8300 has 2 more processor cores than the Lenovo ThinkStation E20, FR (4 vs 2). The Lenovo ThinkStation E20, FR has 0.96 GHz more processor frequency than the Fujitsu ESPRIMO P3521 Intel® Core™2 Quad Q8300 (3.46 GHz vs 2.5 GHz). The Fujitsu ESPRIMO P3521 Intel® Core™2 Quad Q8300 has 13 nm more processor lithography than the Lenovo ThinkStation E20, FR (45 nm vs 32 nm). Only the Lenovo ThinkStation E20, FR has on-board graphics card. Only the Lenovo ThinkStation E20, FR has Intel Dual Display Capable Technology.

Processor family
- ESPRIMO P3521 Intel® Core™2 Quad Q8300:Intel® Core™2 Quad
- ThinkStation E20, FR:Intel® Core™ i5
Processor model
- ESPRIMO P3521 Intel® Core™2 Quad Q8300:Q8300
- ThinkStation E20, FR:i5-670
Processor cores
- ESPRIMO P3521 Intel® Core™2 Quad Q8300:4
- ThinkStation E20, FR:2
Processor frequency
- ESPRIMO P3521 Intel® Core™2 Quad Q8300:2.5 GHz
- ThinkStation E20, FR:3.46 GHz
Processor cache type
- ESPRIMO P3521 Intel® Core™2 Quad Q8300:L2
- ThinkStation E20, FR:Smart Cache
Bus type
- ESPRIMO P3521 Intel® Core™2 Quad Q8300:FSB
- ThinkStation E20, FR:DMI
Processor lithography
- ESPRIMO P3521 Intel® Core™2 Quad Q8300:45 nm
- ThinkStation E20, FR:32 nm
Processor codename
- ESPRIMO P3521 Intel® Core™2 Quad Q8300:Yorkfield
- ThinkStation E20, FR:Clarkdale

Side by side

Differences highlightedShow differences only

Comparison of P3521, ThinkStation E20, FR
146 specifications	A Fujitsu ESPRIMO P3521 Intel® Core™2 Quad Q8300 Model P3521 View product	B Lenovo ThinkStation E20, FR View product
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Quad	Intel® Core™ i5
Processor modelDiffers	Q8300	i5-670
Processor coresDiffers	4	2
Processor threads	4	4
Processor frequencyDiffers	2.5 GHz	3.46 GHz
Processor cache	4 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busKnown for one	1333 MHz	Unknown — not stated by the source
Bus typeDiffers	FSB	DMI
FSB Parity	No	No
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Quad Q8000 Series	Intel Core i5-600 Desktop Series
Processor codenameDiffers	Yorkfield	Clarkdale
Thermal Design Power (TDP)Differs	95 W	73 W
TcaseDiffers	71.4 °C	72.6 °C
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socketDiffers	LGA 775 + AM2/2+	LGA 1156 (Socket H)
Number of Processing Die TransistorsDiffers	456 M	382 M
Processing Die sizeDiffers	164 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	7.5	26
SteppingKnown for one	R0	Unknown — not stated by the source
ECC supported by processor	No	No
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i5
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.73 GHz
System bus rateKnown for one	Unknown — not stated by the source	2.5 GT/s
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	16 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3 1066/1333
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	21 GB/s
Memory2 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Memory clock speedDiffers	1066 MHz	1333 MHz
ECCKnown for one	Unknown — not stated by the source	Yes
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Storage2 differ
Total storage capacityKnown for one	500 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	DVD-RW
HDD interfaceDiffers	SATA II	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Floppy drive installedKnown for one	No	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Drive device, transfer rateKnown for one	Unknown — not stated by the source	3000 MB/s
Graphics1 differ
On-board graphics cardDiffers	No	Yes
Discrete graphics card modelKnown for one	NVIDIA GeForce 9300 GE	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	0.5 GB	Unknown — not stated by the source
Graphics card familyKnown for one	NVIDIA	Unknown — not stated by the source
External video modes refresh rate (max)Known for one	85 Hz	Unknown — not stated by the source
External video modes resolution (max)Known for one	1920 x 1200 pixels	Unknown — not stated by the source
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	733 MHz
Performance1 differ
Product typeDiffers	PC	Workstation
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
Motherboard form factorKnown for one	Unknown — not stated by the source	ATX
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantity	2	2
Firewire (IEEE 1394) ports	0	0
Serial ports quantity	1	1
Parallel ports quantity	0	0
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	2	Unknown — not stated by the source
Power1 differ
Power requirementsKnown for one	100-240V, 50/60Hz	Unknown — not stated by the source
Power supplyDiffers	300 W	280 W
Design1 differ
Chassis typeDiffers	Micro Tower	Tower
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Product colour	Black	Black
External drive baysKnown for one	1x 3.5", 2x 5.25"	Unknown — not stated by the source
Internal drive baysKnown for one	2x 3.5"	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Optional operating system suppliedKnown for one	Windows XP Professional	Unknown — not stated by the source
Compatible operating systemsKnown for one	Linux	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features12 differ
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	2	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	39107	43556
Processor codeKnown for one	SLGUR	Unknown — not stated by the source
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	36 bit
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Audioidentical
Audio systemKnown for one	Realtek ALC663	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Ergonomicsidentical
Acoustic pressure emissionsKnown for one	23 dB	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	175 mm	174.8 mm
DepthDiffers	425 mm	430.8 mm
HeightDiffers	353 mm	425 mm
WeightDiffers	11 kg	11.2 kg
Packaging dataidentical
Package dimensions (WxDxH)Known for one	500 x 290 x 540 mm	Unknown — not stated by the source
Packaging contentidentical
Remote control includedKnown for one	No	Unknown — not stated by the source
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
CertificationKnown for one	GS, CE, FCC B, cCSAus, RoHS, WEEE	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
MotherboardKnown for one	D3041	Unknown — not stated by the source

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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