Product comparison · 2 pcs/workstations

HP Compaq Elite A2K56ES PC Intel® Core™ i5 i5-650 vs Lenovo ThinkCentre M77 AMD Athlon II X2 B24

54specifications compared
23differ
31identical
90known for one product only

Key differences

Processor manufacturer
- Compaq Elite A2K56ES PC Intel® Core™ i5 i5-650:Intel
- ThinkCentre M77 AMD Athlon II X2 B24:AMD
Processor family
- Compaq Elite A2K56ES PC Intel® Core™ i5 i5-650:Intel® Core™ i5
- ThinkCentre M77 AMD Athlon II X2 B24:AMD Athlon II X2
Processor model
- Compaq Elite A2K56ES PC Intel® Core™ i5 i5-650:i5-650
- ThinkCentre M77 AMD Athlon II X2 B24:B24
Processor threads
- Compaq Elite A2K56ES PC Intel® Core™ i5 i5-650:4
- ThinkCentre M77 AMD Athlon II X2 B24:2
Processor frequency
- Compaq Elite A2K56ES PC Intel® Core™ i5 i5-650:3.2 GHz
- ThinkCentre M77 AMD Athlon II X2 B24:3 GHz
Processor cache
- Compaq Elite A2K56ES PC Intel® Core™ i5 i5-650:4 MB
- ThinkCentre M77 AMD Athlon II X2 B24:2 MB
Processor cache type
- Compaq Elite A2K56ES PC Intel® Core™ i5 i5-650:Smart Cache
- ThinkCentre M77 AMD Athlon II X2 B24:L2
Processor socket
- Compaq Elite A2K56ES PC Intel® Core™ i5 i5-650:LGA 1156 (Socket H)
- ThinkCentre M77 AMD Athlon II X2 B24:Socket AM3+

Side by side

Differences highlightedShow differences only

Comparison of A2K56ES, M77
144 specifications	A HP Compaq Elite A2K56ES PC Intel® Core™ i5 i5-650 Model A2K56ES View product	B Lenovo ThinkCentre M77 AMD Athlon II X2 B24 Model M77 View product
Processor8 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel® Core™ i5	AMD Athlon II X2
Processor generationKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-650	B24
Processor cores	2	2
Processor threadsDiffers	4	2
Processor boost frequencyKnown for one	3.46 GHz	Unknown — not stated by the source
Processor frequencyDiffers	3.2 GHz	3 GHz
Processor cacheDiffers	4 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor lithographyKnown for one	32 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core i5-600 Desktop Series	Unknown — not stated by the source
Processor codenameKnown for one	Clarkdale	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	73 W	Unknown — not stated by the source
TcaseKnown for one	72.6 °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, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Number of processors installed	1	1
Processor socketDiffers	LGA 1156 (Socket H)	Socket AM3+
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	24	Unknown — not stated by the source
PlatformKnown for one	PC	Unknown — not stated by the source
SteppingKnown for one	C2	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	16 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3 1066/1333	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Processor front side busKnown for one	Unknown — not stated by the source	1066 MHz
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory slots	4x DIMM	4x DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Maximum internal memoryKnown for one	Unknown — not stated by the source	16 GB
Storage3 differ
Total storage capacityDiffers	500 GB	320 GB
Optical drive typeDiffers	DVD-RW	DVD-ROM
Total HDDs capacityKnown for one	500 GB	Unknown — not stated by the source
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	320 GB
HDD speed	7200 RPM	7200 RPM
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Card reader integratedKnown for one	Unknown — not stated by the source	Yes
Graphics3 differ
On-board graphics card	Yes	Yes
On-board graphics card familyDiffers	Intel® HD Graphics	AMD Radeon HD 4000
On-board graphics card modelDiffers	Intel® HD Graphics	AMD Radeon HD 4250
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	733 MHz	Unknown — not stated by the source
Graphics card familyDiffers	Intel	ATI
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® Q57	AMD 980G
Compatible processor seriesKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Audio output channelsKnown for one	Unknown — not stated by the source	5.1 channels
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Wi-Fi	No	No
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	10	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
DisplayPorts quantity	1	1
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) ports	0	0
Serial ports quantity	1	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Expansion slots2 differ
PCI Express x1 slotsDiffers	1	2
PCI Express x16 slotsDiffers	2	1
PCI slotsKnown for one	1	Unknown — not stated by the source
Number of 3.5" baysKnown for one	Unknown — not stated by the source	1
Poweridentical
Power supply typeKnown for one	AC	Unknown — not stated by the source
Power supply	240 W	240 W
Designidentical
Chassis type	SFF	SFF
Product colour	Black	Black
Country of originKnown for one	China	Unknown — not stated by the source
Number of 5.25" baysKnown for one	Unknown — not stated by the source	1
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
Software1 differ
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architectureDiffers	64-bit	32-bit
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special featuresidentical
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	No	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
Graphics & IMC lithographyKnown for one	45 nm	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	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	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	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Processor ARK IDKnown for one	43546	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	1.0	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	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	378.5 mm	337 mm
DepthDiffers	100 mm	369 mm
HeightDiffers	338 mm	99.7 mm
WeightKnown for one	Unknown — not stated by the source	7.5 kg
Certificatesidentical
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HD
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Keyboard includedKnown for one	Unknown — not stated by the source	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Keyboardidentical
Keyboard number of keysKnown for one	Unknown — not stated by the source	104
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional

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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