AMD Phenom II X4 955 vs Intel Pentium 2129Y

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CPU comparison with benchmarks


AMD Phenom II X4 955 CPU1 vs CPU2 Intel Pentium 2129Y
AMD Phenom II X4 955 Intel Pentium 2129Y

CPU comparison

AMD Phenom II X4 955 or Intel Pentium 2129Y - 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 X4 955 has 4 cores with 4 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 X4 955 was released in Q2/2009.

The Intel Pentium 2129Y has 2 cores with 2 threads and clocks with a maximum frequency of 1.10 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Pentium 2129Y was released in Q1/2013.
AMD Phenom II (52) Family Intel Pentium (150)
AMD Phenom II - 800/900 (23) CPU group Intel Pentium 2000 (5)
4 Generation 4
Deneb (K10) Architecture Ivy Bridge U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Phenom II X4 955 is a 4 core processor with a clock frequency of 3.20 GHz. The Intel Pentium 2129Y has 2 CPU cores with a clock frequency of 1.10 GHz.

AMD Phenom II X4 955 Characteristic Intel Pentium 2129Y
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
3.20 GHz Frequency 1.10 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AMD Phenom II X4 955 Characteristic Intel Pentium 2129Y
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 Intel HD Graphics (Ivy Bridge GT1)
GPU frequency 0.35 GHz
-- GPU (Turbo) 0.85 GHz
-- GPU Generation 7
Technology 22 nm
Max. displays 3
-- Compute units 6
-- Shader 48
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11.0

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 Intel HD Graphics (Ivy Bridge GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode

Memory & PCIe

The AMD Phenom II X4 955 supports a maximum of GB of memory in 2 memory channels. The Intel Pentium 2129Y can connect up to 32 GB of memory in 2 memory channels.

AMD Phenom II X4 955 Characteristic Intel Pentium 2129Y
DDR3-1333, DDR2-1066 Memory DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600
Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
6.00 MB L3 Cache 2.00 MB
-- PCIe version 2.0
-- PCIe lanes 16
-- PCIe Bandwidth 8.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Phenom II X4 955 has a TDP of 125 W, that of the Intel Pentium 2129Y is 10 W.

AMD Phenom II X4 955 Characteristic Intel Pentium 2129Y
125 W TDP (PL1 / PBP) 10 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 90 °C

Technical details

The AMD Phenom II X4 955 has a 6.00 MB cache, while the Intel Pentium 2129Y cache has a total of 2.00 MB.

AMD Phenom II X4 955 Characteristic Intel Pentium 2129Y
45 nm Technology 22 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE4.1, SSE4.2
AM3 Socket BGA 1023
AMD-V Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2009 Release date Q1/2013
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Phenom II X4 955 to help other visitors make their purchasing decisions. The average rating is 4.1 stars (9 ratings). Rate now:
Here you can rate the Intel Pentium 2129Y to help other visitors make their purchasing decisions. The average rating is 1.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Phenom II X4 955 (100%)
Intel Pentium 2129Y (52%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Phenom II X4 955 (100%)
Intel Pentium 2129Y (22%)

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 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
422 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
218 (52%)

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 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
1401 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
413 (29%)

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 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
3987 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
587 (15%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
488 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 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 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
1967 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
0 (0%)

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 X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
651 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD Phenom II X4 955 AMD Phenom II X4 955
@ 0.00 GHz
0 (0%)
Intel Pentium 2129Y Intel Pentium 2129Y
Intel HD Graphics (Ivy Bridge GT1) @ 0.85 GHz
82 (100%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
156 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
598 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
0 (0%)

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 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
84 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 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 X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
324 (100%)
Intel Pentium 2129Y Intel Pentium 2129Y
2C 2T @ 1.10 GHz
0 (0%)

Devices using this processor

AMD Phenom II X4 955 Intel Pentium 2129Y
Unknown Unknown

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