AMD Phenom II X2 B59 vs AMD Ryzen 9 4900U

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CPU comparison with benchmarks


AMD Phenom II X2 B59 CPU1 vs CPU2 AMD Ryzen 9 4900U
AMD Phenom II X2 B59 AMD Ryzen 9 4900U

CPU comparison

AMD Phenom II X2 B59 or AMD Ryzen 9 4900U - 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 B59 has 2 cores with 2 threads and clocks with a maximum frequency of 3.40 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X2 B59 was released in Q4/2011.

The AMD Ryzen 9 4900U has 8 cores with 16 threads and clocks with a maximum frequency of 4.40 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The AMD Ryzen 9 4900U was released in Q1/2020.
AMD Phenom II (52) Family AMD Ryzen 9 (40)
AMD Phenom II - 545 (9) CPU group AMD Ryzen 4000U (11)
2 Generation 3
Callisto (K10) Architecture Renoir (Zen 2)
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Phenom II X2 B59 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD Phenom II X2 B59 is 3.40 GHz while the AMD Ryzen 9 4900U has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 4900U is at 2.00 GHz (4.40 GHz).
AMD Phenom II X2 B59 Characteristic AMD Ryzen 9 4900U
2 Cores 8
2 Threads 16
normal Core architecture normal
No Hyperthreading Yes
Yes Overclocking ? No
3.40 GHz Frequency 2.00 GHz
-- Turbo Frequency (1 Core) 4.40 GHz
-- Turbo Frequency (All Cores) 3.40 GHz

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 X2 B59 Characteristic AMD Ryzen 9 4900U
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD Phenom II X2 B59 or AMD Ryzen 9 4900U has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
no iGPU GPU AMD Radeon RX Vega 8 (Renoir)
GPU frequency 0.40 GHz
-- GPU (Turbo) 1.75 GHz
-- GPU Generation 9
Technology 7 nm
Max. displays 3
-- Compute units 8
-- Shader 512
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 8 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 AMD Radeon RX Vega 8 (Renoir)
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 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The AMD Phenom II X2 B59 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The AMD Ryzen 9 4900U supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s.
AMD Phenom II X2 B59 Characteristic AMD Ryzen 9 4900U
DDR3-1333, DDR2-1066 Memory LPDDR4-4266, DDR4-3200
Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
-- L2 Cache --
6.00 MB L3 Cache 8.00 MB
-- PCIe version 3.0
-- PCIe lanes 12
-- PCIe Bandwidth 11.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD Phenom II X2 B59 is 80 W, while the AMD Ryzen 9 4900U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD Phenom II X2 B59 Characteristic AMD Ryzen 9 4900U
80 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up 25 W
-- TDP down 10 W
-- Tjunction max. 105 °C

Technical details

The AMD Phenom II X2 B59 is manufactured in 45 nm and has 6.00 MB cache. The AMD Ryzen 9 4900U is manufactured in 7 nm and has a 8.00 MB cache.
AMD Phenom II X2 B59 Characteristic AMD Ryzen 9 4900U
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 FP6
AMD-V Virtualization AMD-V, SVM
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q4/2011 Release date Q1/2020
-- Release price --
show more data show more data


Rate these processors

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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Phenom II X2 B59 (44%)
AMD Ryzen 9 4900U (100%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Phenom II X2 B59 (12%)
AMD Ryzen 9 4900U (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 B59 AMD Phenom II X2 B59
2C 2T @ 3.40 GHz
89 (44%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
204 (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 B59 AMD Phenom II X2 B59
2C 2T @ 3.40 GHz
172 (12%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
1384 (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 B59 AMD Phenom II X2 B59
2C 2T @ 3.40 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
1279 (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 B59 AMD Phenom II X2 B59
2C 2T @ 3.40 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
1203 (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 B59 AMD Phenom II X2 B59
2C 2T @ 3.40 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
6422 (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 B59 AMD Phenom II X2 B59
2C 2T @ 3.40 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
501 (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 B59 AMD Phenom II X2 B59
2C 2T @ 3.40 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
3292 (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 B59 AMD Phenom II X2 B59
@ 0.00 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz
1792 (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 B59 AMD Phenom II X2 B59
2C 2T @ 3.40 GHz
2188 (100%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
0 (0%)

Devices using this processor
AMD Phenom II X2 B59 AMD Ryzen 9 4900U
Unknown Unknown

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