AMD Phenom II X2 B57 vs AMD EPYC 7742

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CPU comparison with benchmarks


AMD Phenom II X2 B57 CPU1 vs CPU2 AMD EPYC 7742
AMD Phenom II X2 B57 AMD EPYC 7742

CPU comparison

AMD Phenom II X2 B57 or AMD EPYC 7742 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD Phenom II X2 B57 has 2 cores with 2 threads and clocks with a maximum frequency of 3.20 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X2 B57 was released in Q2/2010.

The AMD EPYC 7742 has 64 cores with 128 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7742 was released in Q3/2019.
AMD Phenom II (52) Family AMD EPYC (129)
AMD Phenom II - 545 (9) CPU group AMD EPYC 7002 (24)
2 Generation 2
Callisto (K10) Architecture Rome (Zen 2)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Phenom II X2 B57 is a 2 core processor with a clock frequency of 3.20 GHz. The AMD EPYC 7742 has 64 CPU cores with a clock frequency of 2.25 GHz (3.40 GHz).
AMD Phenom II X2 B57 Characteristic AMD EPYC 7742
2 Cores 64
2 Threads 128
normal Core architecture normal
No Hyperthreading Yes
Yes Overclocking ? No
3.20 GHz Frequency 2.25 GHz
-- Turbo Frequency (1 Core) 3.40 GHz
-- Turbo Frequency (All Cores) 2.80 GHz

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 X2 B57 Characteristic AMD EPYC 7742
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
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

The AMD Phenom II X2 B57 supports a maximum of GB of memory in 2 memory channels. The AMD EPYC 7742 can connect up to GB of memory in 8 memory channels.
AMD Phenom II X2 B57 Characteristic AMD EPYC 7742
DDR3-1333, DDR2-1066 Memory DDR4-3200
Max. Memory
2 (Dual Channel) Memory channels 8 (Octa Channel)
21.3 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
-- L2 Cache --
6.00 MB L3 Cache 256.00 MB
-- PCIe version 4.0
-- PCIe lanes 128
-- PCIe Bandwidth 252.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Phenom II X2 B57 has a TDP of 80 W, that of the AMD EPYC 7742 is 225 W.
AMD Phenom II X2 B57 Characteristic AMD EPYC 7742
80 W TDP (PL1 / PBP) 225 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD Phenom II X2 B57 has a 6.00 MB cache, while the AMD EPYC 7742 cache has a total of 256.00 MB.
AMD Phenom II X2 B57 Characteristic AMD EPYC 7742
45 nm Technology 7 nm
Unknown Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
AM3 Socket SP3
AMD-V Virtualization AMD-V, SVM
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2010 Release date Q3/2019
-- Release price 9000 $
show more data show more data


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Here you can rate the AMD EPYC 7742 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
AMD Phenom II X2 B57 (0%)
AMD EPYC 7742 (0%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Phenom II X2 B57 (3%)
AMD EPYC 7742 (100%)

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 X2 B57 AMD Phenom II X2 B57
2C 2T @ 3.20 GHz
2060 (3%)
AMD EPYC 7742 AMD EPYC 7742
64C 128T @ 2.80 GHz
65631 (100%)

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 X2 B57 AMD Phenom II X2 B57
2C 2T @ 3.20 GHz
0 (0%)
AMD EPYC 7742 AMD EPYC 7742
64C 128T @ 3.40 GHz
1050 (100%)

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 X2 B57 AMD Phenom II X2 B57
2C 2T @ 3.20 GHz
0 (0%)
AMD EPYC 7742 AMD EPYC 7742
64C 128T @ 2.80 GHz
37515 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD Phenom II X2 B57 AMD Phenom II X2 B57
2C 2T @ 3.20 GHz
0 (0%)
AMD EPYC 7742 AMD EPYC 7742
64C 128T @ 3.40 GHz
1278 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD Phenom II X2 B57 AMD Phenom II X2 B57
2C 2T @ 3.20 GHz
0 (0%)
AMD EPYC 7742 AMD EPYC 7742
64C 128T @ 2.80 GHz
13647 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 X2 B57 AMD Phenom II X2 B57
2C 2T @ 3.20 GHz
0 (0%)
AMD EPYC 7742 AMD EPYC 7742
64C 128T @ 3.40 GHz
398 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 X2 B57 AMD Phenom II X2 B57
2C 2T @ 3.20 GHz
0 (0%)
AMD EPYC 7742 AMD EPYC 7742
64C 128T @ 2.80 GHz
20644 (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 X2 B57 AMD Phenom II X2 B57
2C 2T @ 3.20 GHz
84 (100%)
AMD EPYC 7742 AMD EPYC 7742
64C 128T @ 3.40 GHz
0 (0%)

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 X2 B57 AMD Phenom II X2 B57
2C 2T @ 3.20 GHz
162 (100%)
AMD EPYC 7742 AMD EPYC 7742
64C 128T @ 2.80 GHz
0 (0%)

Devices using this processor
AMD Phenom II X2 B57 AMD EPYC 7742
Unknown Unknown

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