Phenom II X4 840 vs A10-7700K

Aggregate performance score

A10-7700K
2014
4 cores / 4 threads, 95 Watt
2.01
+32.2%
Phenom II X4 840
2011
4 cores / 4 threads, 95 Watt
1.52

A10-7700K outperforms Phenom II X4 840 by a substantial 32% based on our aggregate benchmark results.

Primary details

Comparing A10-7700K and Phenom II X4 840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking19282144
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.323.08
Market segmentDesktop processorDesktop processor
SeriesAMD A-Series (Desktop)no data
Power efficiency2.001.51
Architecture codenameGodaveri (2014−2016)Propus (2009−2011)
Release date14 January 2014 (10 years ago)4 January 2011 (13 years ago)
Launch price (MSRP)$152$90

Cost-effectiveness evaluation

Performance per price, higher is better.

Phenom II X4 840 has 863% better value for money than A10-7700K.

Detailed specifications

A10-7700K and Phenom II X4 840 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads44
Base clock speed3.5 GHz3.2 GHz
Boost clock speed3.8 GHz3.2 GHz
L1 cache256 KB128 KB (per core)
L2 cache4096 KB512 KB (per core)
L3 cache0 KB0 KB
Chip lithography28 nm45 nm
Die size246 mm2169 mm2
Maximum core temperature72 °Cno data
Maximum case temperature (TCase)74 °Cno data
Number of transistors1,178 million300 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on A10-7700K and Phenom II X4 840 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFM2+AM3
Power consumption (TDP)95 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A10-7700K and Phenom II X4 840. You'll probably need this information if you require some particular technology.

Instruction set extensionsSSE1-4a, AVX, AES, FMA4, VTno data
AES-NI+-
FMA+-
AVX+-
FRTC+-
FreeSync+-
DualGraphics+-
TrueAudio+-
PowerNow+-
PowerGating+-
Out-of-band client management+-
VirusProtect+-
HSA+-

Virtualization technologies

Virtual machine speed-up technologies supported by A10-7700K and Phenom II X4 840 are enumerated here.

AMD-V+-
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A10-7700K and Phenom II X4 840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-2133DDR3
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon R7 Graphicsno data
iGPU core count6no data
จำนวนพาธไลน์384no data
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A10-7700K and Phenom II X4 840 integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A10-7700K and Phenom II X4 840 integrated GPUs, sometimes API versions are included.

DirectXDirectX® 12no data
Vulkan+-

Peripherals

Specifications and connection of peripherals supported by A10-7700K and Phenom II X4 840.

PCIe version3.02.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

A10-7700K 2.01
+32.2%
Phenom II X4 840 1.52

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

A10-7700K 3193
+32.1%
Phenom II X4 840 2417

Gaming performance

Pros & cons summary


Performance score 2.01 1.52
Recency 14 January 2014 4 January 2011
Chip lithography 28 nm 45 nm

A10-7700K has a 32.2% higher aggregate performance score, an age advantage of 3 years, and a 60.7% more advanced lithography process.

The A10-7700K is our recommended choice as it beats the Phenom II X4 840 in performance tests.


Should you still have questions on choice between A10-7700K and Phenom II X4 840, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD A10-7700K
A10-7700K
AMD Phenom II X4 840
Phenom II X4 840

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about A10-7700K or Phenom II X4 840, agree or disagree with our judgements, or report an error or mismatch.