AMD Phenom II X2 B55 vs Intel Core i9-12900

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CPU comparison with benchmarks


AMD Phenom II X2 B55 CPU1 vs CPU2 Intel Core i9-12900
AMD Phenom II X2 B55 Intel Core i9-12900

CPU comparison

In this CPU comparison, we compare the AMD Phenom II X2 B55 and the Intel Core i9-12900 and use benchmarks to check which processor is faster.

We compare the AMD Phenom II X2 B55 2 core processor released in Q4/2009 with the Intel Core i9-12900 which has 16 CPU cores and was introduced in Q1/2022.
AMD Phenom II (52) Family Intel Core i9 (78)
AMD Phenom II - 545 (9) CPU group Intel Core i 12000 (34)
2 Generation 12
Callisto (K10) Architecture Alder Lake S
Desktop / Server Segment Desktop / Server
-- Predecessor Intel Core i9-11900
-- Successor Intel Core i9-13900

CPU Cores and Base Frequency

The AMD Phenom II X2 B55 is a 2 core processor with a clock frequency of 3.00 GHz. The processor can compute 2 threads at the same time. The Intel Core i9-12900 clocks with 2.40 GHz (5.10 GHz), has 16 CPU cores and can calculate 24 threads in parallel.
AMD Phenom II X2 B55 Characteristic Intel Core i9-12900
2 Cores 16
2 Threads 24
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading Yes
Yes Overclocking ? No
3.00 GHz A-Core 2.40 GHz (5.10 GHz)
8x Golden Cove
-- B-Core 1.80 GHz (3.80 GHz)
8x Gracemont

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 B55 Characteristic Intel Core i9-12900
-- 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 Intel UHD Graphics 770
GPU frequency 0.30 GHz
-- GPU (Turbo) 1.55 GHz
-- GPU Generation 11
Technology 10 nm
Max. displays 3
-- Compute units 32
-- Shader 256
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
-- DirectX Version 12

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 UHD Graphics 770
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X2 B55, while the Intel Core i9-12900 supports a maximum of 128 GB of memory with a maximum memory bandwidth of 76.8 GB/s enabled.
AMD Phenom II X2 B55 Characteristic Intel Core i9-12900
DDR3-1333, DDR2-1066 Memory DDR5-4800, DDR4-3200
Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 76.8 GB/s
No ECC Yes
-- L2 Cache 14.00 MB
6.00 MB L3 Cache 30.00 MB
-- PCIe version 5.0
-- PCIe lanes 20
-- PCIe Bandwidth 78.8 GB/s

Thermal Management

The AMD Phenom II X2 B55 has a TDP of 80 W. The TDP of the Intel Core i9-12900 is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.
AMD Phenom II X2 B55 Characteristic Intel Core i9-12900
80 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) 202 W
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The AMD Phenom II X2 B55 has 6.00 MB cache and is manufactured in 45 nm. The cache of Intel Core i9-12900 is at 44.00 MB. The processor is manufactured in 10 nm.
AMD Phenom II X2 B55 Characteristic Intel Core i9-12900
45 nm Technology 10 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE4.1, SSE4.2, AVX2, AVX2+
AM3 Socket LGA 1700
AMD-V Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q4/2009 Release date Q1/2022
-- Release price 489 $
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Phenom II X2 B55 (28%)
Intel Core i9-12900 (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Phenom II X2 B55 (5%)
Intel Core i9-12900 (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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
1931 (5%)
Intel Core i9-12900 Intel Core i9-12900
16C 24T @ 4.20 GHz
36739 (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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
79 (28%)
Intel Core i9-12900 Intel Core i9-12900
16C 24T @ 5.10 GHz
287 (100%)

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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
152 (4%)
Intel Core i9-12900 Intel Core i9-12900
16C 24T @ 4.20 GHz
3911 (100%)

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 X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
Intel Core i9-12900 Intel Core i9-12900
16C 24T @ 5.10 GHz
1988 (100%)

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 X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
Intel Core i9-12900 Intel Core i9-12900
16C 24T @ 4.20 GHz
26455 (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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
Intel Core i9-12900 Intel Core i9-12900
16C 24T @ 5.10 GHz
1968 (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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
Intel Core i9-12900 Intel Core i9-12900
16C 24T @ 4.20 GHz
15712 (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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
Intel Core i9-12900 Intel Core i9-12900
16C 24T @ 5.10 GHz
2637 (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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
Intel Core i9-12900 Intel Core i9-12900
16C 24T @ 4.20 GHz
15367 (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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
Intel Core i9-12900 Intel Core i9-12900
16C 24T @ 5.10 GHz
764 (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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
Intel Core i9-12900 Intel Core i9-12900
16C 24T @ 4.20 GHz
10097 (100%)

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 X2 B55 AMD Phenom II X2 B55
@ 0.00 GHz
0 (0%)
Intel Core i9-12900 Intel Core i9-12900
Intel UHD Graphics 770 @ 1.55 GHz
794 (100%)

Devices using this processor
AMD Phenom II X2 B55 Intel Core i9-12900
Unknown Unknown

News and articles for the AMD Phenom II X2 B55 and the Intel Core i9-12900

Intel Core i9-13900 benchmark of engineering sample
Intel Core i9-13900 benchmark of engineering sample
Posted by Stefan on 2022-06-15
Intels 13th generation of the Intel Core i series (Raptor Lake) is about to be released and a lot of information is already known from the official side. This information includes e.g. the number of CPU cores, the expected increase in performance and the manufacturing technology of the new CPUs.

We compare the technical data of the Intel Core i9-13900 with its predecessor and look at benchmarks that have already been published.

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