Intel Celeron G3950 vs AMD Ryzen 5 8640U

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CPU comparison with benchmarks


Intel Celeron G3950 CPU1 vs CPU2 AMD Ryzen 5 8640U
Intel Celeron G3950 AMD Ryzen 5 8640U

CPU comparison

Intel Celeron G3950 or AMD Ryzen 5 8640U - 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 Intel Celeron G3950 has 2 cores with 2 threads and clocks with a maximum frequency of 3.00 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Celeron G3950 was released in Q1/2017.

The AMD Ryzen 5 8640U has 6 cores with 12 threads and clocks with a maximum frequency of 4.90 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 5 8640U was released in Q1/2024.
Intel Celeron (165) Family AMD Ryzen 5 (86)
Intel Celeron G3000 6. Gen. (6) CPU group AMD Ryzen 8040 (20)
6 Generation 7
Skylake S Architecture Hawk Point (Zen 4)
Desktop / Server Segment Mobile
-- Predecessor AMD Ryzen 5 7640U
-- Successor --

CPU Cores and Base Frequency

The Intel Celeron G3950 is a 2 core processor with a clock frequency of 3.00 GHz. The AMD Ryzen 5 8640U has 6 CPU cores with a clock frequency of 3.50 GHz (4.90 GHz).

Intel Celeron G3950 Characteristic AMD Ryzen 5 8640U
2 Cores 6
2 Threads 12
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
3.00 GHz Frequency 3.50 GHz
-- Turbo Frequency (1 Core) 4.90 GHz
-- 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.

Intel Celeron G3950 Characteristic AMD Ryzen 5 8640U
-- 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.

Intel HD Graphics 610 GPU AMD Radeon 760M
0.35 GHz GPU frequency 0.80 GHz
1.05 GHz GPU (Turbo) 2.60 GHz
9.5 GPU Generation 10
14 nm Technology 4 nm
3 Max. displays 4
12 Compute units 8
96 Shader 512
No Hardware Raytracing Yes
No Frame Generation AMD FSR
32 GB Max. GPU Memory 32 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.

Intel HD Graphics 610 GPU AMD Radeon 760M
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode
Decode / Encode Codec VP8 Decode
No Codec AV1 Decode / Encode
Decode / Encode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Celeron G3950 supports a maximum of 64 GB of memory in 2 memory channels. The AMD Ryzen 5 8640U can connect up to 256 GB of memory in 2 memory channels.

Intel Celeron G3950 Characteristic AMD Ryzen 5 8640U
DDR4-2133, DDR3L-1600 Memory DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
64 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
34.1 GB/s Max. Bandwidth 120.0 GB/s
Yes ECC Yes
-- L2 Cache 6.00 MB
2.00 MB L3 Cache 16.00 MB
3.0 PCIe version 4.0
16 PCIe lanes 20
15.8 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Celeron G3950 has a TDP of 51 W, that of the AMD Ryzen 5 8640U is 28 W.

Intel Celeron G3950 Characteristic AMD Ryzen 5 8640U
51 W TDP (PL1 / PBP) 28 W
-- TDP (PL2) --
-- TDP up 30 W
-- TDP down 15 W
100 °C Tjunction max. 100 °C

Technical details

The Intel Celeron G3950 has a 2.00 MB cache, while the AMD Ryzen 5 8640U cache has a total of 22.00 MB.

Intel Celeron G3950 Characteristic AMD Ryzen 5 8640U
14 nm Technology 4 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
LGA 1151 Socket FP8
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2017 Release date Q1/2024
49 $ Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Celeron G3950 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the AMD Ryzen 5 8640U to help other visitors make their purchasing decisions. The average rating is 4.0 stars (3 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Celeron G3950 (42%)
AMD Ryzen 5 8640U (100%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Celeron G3950 (17%)
AMD Ryzen 5 8640U (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.
Intel Celeron G3950 Intel Celeron G3950
2C 2T @ 3.00 GHz
777 (42%)
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 GHz
1869 (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.
Intel Celeron G3950 Intel Celeron G3950
2C 2T @ 3.00 GHz
1470 (17%)
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
8853 (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.
Intel Celeron G3950 Intel Celeron G3950
Intel HD Graphics 610 @ 1.05 GHz
202 (8%)
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
AMD Radeon 760M @ 2.60 GHz
2663 (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.
Intel Celeron G3950 Intel Celeron G3950
2C 2T @ 3.00 GHz
0 (0%)
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 GHz
1552 (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.
Intel Celeron G3950 Intel Celeron G3950
2C 2T @ 3.00 GHz
0 (0%)
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
10675 (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.
Intel Celeron G3950 Intel Celeron G3950
2C 2T @ 3.00 GHz
0 (0%)
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 GHz
2340 (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.
Intel Celeron G3950 Intel Celeron G3950
2C 2T @ 3.00 GHz
0 (0%)
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
9197 (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.
Intel Celeron G3950 Intel Celeron G3950
2C 2T @ 3.00 GHz
2410 (100%)
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 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.
Intel Celeron G3950 Intel Celeron G3950
2C 2T @ 3.00 GHz
127 (100%)
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 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.
Intel Celeron G3950 Intel Celeron G3950
2C 2T @ 3.00 GHz
228 (100%)
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
0 (0%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Intel Celeron G3950 Intel Celeron G3950
3.00 GHz
0 (0%)
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
10,675 CB R23 MC @ 24 W
445 (100%)

Devices using this processor

Intel Celeron G3950 AMD Ryzen 5 8640U
Unknown Unknown

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