AMD A8-7150B vs AMD Ryzen 9 4900U

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CPU comparison with benchmarks


AMD A8-7150B CPU1 vs CPU2 AMD Ryzen 9 4900U
AMD A8-7150B AMD Ryzen 9 4900U

CPU comparison

In this CPU comparison, we compare the AMD A8-7150B and the AMD Ryzen 9 4900U and use benchmarks to check which processor is faster.

We compare the AMD A8-7150B 4 core processor released in Q2/2014 with the AMD Ryzen 9 4900U which has 8 CPU cores and was introduced in Q1/2020.
AMD A (112) Family AMD Ryzen 9 (35)
AMD A8-7000 (6) CPU group AMD Ryzen 4000U (11)
4 Generation 3
Kaveri (Steamroller) Architecture Renoir (Zen 2)
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD A8-7150B is a 4 core processor with a clock frequency of 1.90 GHz (3.20 GHz). The processor can compute 4 threads at the same time. The AMD Ryzen 9 4900U clocks with 2.00 GHz (4.40 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

AMD A8-7150B Characteristic AMD Ryzen 9 4900U
4 Cores 8
4 Threads 16
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.90 GHz Frequency 2.00 GHz
3.20 GHz Turbo Frequency (1 Core) 4.40 GHz
2.50 GHz Turbo Frequency (All Cores) 3.40 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 A8-7150B Characteristic AMD Ryzen 9 4900U
-- 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.

AMD Radeon R5 (Kaveri) GPU AMD Radeon RX Vega 8 (Renoir)
0.45 GHz GPU frequency 0.40 GHz
0.51 GHz GPU (Turbo) 1.75 GHz
6 GPU Generation 9
28 nm Technology 7 nm
2 Max. displays 3
4 Compute units 8
256 Shader 512
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 8 GB
12 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.

AMD Radeon R5 (Kaveri) GPU AMD Radeon RX Vega 8 (Renoir)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
Decode Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD A8-7150B, while the AMD Ryzen 9 4900U supports a maximum of 64 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.

AMD A8-7150B Characteristic AMD Ryzen 9 4900U
DDR3-1600 Memory LPDDR4-4266, DDR4-3200
Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC Yes
-- L2 Cache --
4.00 MB L3 Cache 8.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 12
15.8 GB/s PCIe Bandwidth 11.8 GB/s

Thermal Management

The AMD A8-7150B has a TDP of 19 W. The TDP of the AMD Ryzen 9 4900U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD A8-7150B Characteristic AMD Ryzen 9 4900U
19 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up 25 W
-- TDP down 10 W
-- Tjunction max. 105 °C

Technical details

The AMD A8-7150B has 4.00 MB cache and is manufactured in 28 nm. The cache of AMD Ryzen 9 4900U is at 8.00 MB. The processor is manufactured in 7 nm.

AMD A8-7150B Characteristic AMD Ryzen 9 4900U
28 nm Technology 7 nm
Unknown Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
FM2+ Socket FP6
AMD-V Virtualization AMD-V, SVM
Yes AES-NI Yes
Operating systems Windows 10, Windows 11, Linux
Q2/2014 Release date Q1/2020
-- Release price --
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD A8-7150B (25%)
AMD Ryzen 9 4900U (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD A8-7150B (11%)
AMD Ryzen 9 4900U (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 A8-7150B AMD A8-7150B
4C 4T @ 3.20 GHz
286 (24%)
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 A8-7150B AMD A8-7150B
4C 4T @ 2.50 GHz
694 (11%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
6422 (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 A8-7150B AMD A8-7150B
AMD Radeon R5 (Kaveri) @ 0.51 GHz
262 (15%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz
1792 (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 A8-7150B AMD A8-7150B
4C 4T @ 3.20 GHz
51 (25%)
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 A8-7150B AMD A8-7150B
4C 4T @ 2.50 GHz
153 (11%)
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 A8-7150B AMD A8-7150B
4C 4T @ 3.20 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
1279 (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 A8-7150B AMD A8-7150B
4C 4T @ 3.20 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 A8-7150B AMD A8-7150B
4C 4T @ 2.50 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
3292 (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 A8-7150B AMD A8-7150B
4C 4T @ 2.50 GHz
2855 (100%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
0 (0%)

Devices using this processor

AMD A8-7150B AMD Ryzen 9 4900U
Unknown Unknown

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