AMD Phenom II X4 840 vs AMD Phenom II X3 715

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CPU comparison with benchmarks


AMD Phenom II X4 840 CPU1 vs CPU2 AMD Phenom II X3 715
AMD Phenom II X4 840 AMD Phenom II X3 715

CPU comparison

In this CPU comparison, we compare the AMD Phenom II X4 840 and the AMD Phenom II X3 715 and use benchmarks to check which processor is faster.

We compare the AMD Phenom II X4 840 4 core processor released in Q1/2011 with the AMD Phenom II X3 715 which has 3 CPU cores and was introduced in .
AMD Phenom II (52) Family AMD Phenom II (52)
AMD Phenom II - 840/850 (2) CPU group AMD Phenom II - 700 (9)
5 Generation 3
Propus Architecture Heka (K10)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Phenom II X4 840 is a 4 core processor with a clock frequency of 3.20 GHz. The processor can compute 4 threads at the same time. The AMD Phenom II X3 715 clocks with 2.80 GHz, has 3 CPU cores and can calculate 3 threads in parallel.

AMD Phenom II X4 840 Characteristic AMD Phenom II X3 715
4 Cores 3
4 Threads 3
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? Yes
3.20 GHz Frequency 2.80 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD Phenom II X4 840 Characteristic AMD Phenom II X3 715
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 840, while the AMD Phenom II X3 715 supports a maximum of GB of memory with a maximum memory bandwidth of -- enabled.

AMD Phenom II X4 840 Characteristic AMD Phenom II X3 715
DDR3-1333, DDR2-1066 Memory DDR2-1066
Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth --
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 6.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The AMD Phenom II X4 840 has a TDP of 95 W. The TDP of the AMD Phenom II X3 715 is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Phenom II X4 840 Characteristic AMD Phenom II X3 715
95 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD Phenom II X4 840 has 2.00 MB cache and is manufactured in 45 nm. The cache of AMD Phenom II X3 715 is at 6.00 MB. The processor is manufactured in 45 nm.

AMD Phenom II X4 840 Characteristic AMD Phenom II X3 715
45 nm Technology 45 nm
Unknown Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE3, SSE4a
AM3 Socket AM2+
AMD-V Virtualization AMD-V
No AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2011 Release date
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Phenom II X4 840 AMD Phenom II X4 840
4C 4T @ 3.20 GHz
2352 (84%)
AMD Phenom II X3 715 AMD Phenom II X3 715
3C 3T @ 2.80 GHz
2811 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Phenom II X4 840 AMD Phenom II X4 840
4C 4T @ 3.20 GHz
84 (100%)
AMD Phenom II X3 715 AMD Phenom II X3 715
3C 3T @ 2.80 GHz
74 (88%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Phenom II X4 840 AMD Phenom II X4 840
4C 4T @ 3.20 GHz
324 (100%)
AMD Phenom II X3 715 AMD Phenom II X3 715
3C 3T @ 2.80 GHz
213 (66%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Phenom II X4 840 AMD Phenom II X4 840
4C 4T @ 3.20 GHz
412 (100%)
AMD Phenom II X3 715 AMD Phenom II X3 715
3C 3T @ 2.80 GHz
0 (0%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Phenom II X4 840 AMD Phenom II X4 840
4C 4T @ 3.20 GHz
1473 (100%)
AMD Phenom II X3 715 AMD Phenom II X3 715
3C 3T @ 2.80 GHz
0 (0%)

Devices using this processor

AMD Phenom II X4 840 AMD Phenom II X3 715
Unknown Unknown

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