AMD Athlon II X4 640 vs Intel Atom Z2420

Last updated:

CPU comparison with benchmarks


AMD Athlon II X4 640 CPU1 vs CPU2 Intel Atom Z2420
AMD Athlon II X4 640 Intel Atom Z2420

CPU comparison

In this CPU comparison, we compare the AMD Athlon II X4 640 and the Intel Atom Z2420 and use benchmarks to check which processor is faster.

We compare the AMD Athlon II X4 640 4 core processor released in Q2/2010 with the Intel Atom Z2420 which has 1 CPU cores and was introduced in Q1/2013.
AMD Athlon II (52) Family Intel Atom (108)
AMD Athlon II X4 (Propus) (10) CPU group Intel Atom Z2400/Z2600 (2)
1 Generation 3
Propus Architecture Penwell
Desktop / Server Segment Mobile
-- Predecessor --
AMD Athlon II X4 740 Successor --

CPU Cores and Base Frequency

The AMD Athlon II X4 640 is a 4 core processor with a clock frequency of 3.00 GHz. The processor can compute 4 threads at the same time. The Intel Atom Z2420 clocks with 1.20 GHz, has 1 CPU cores and can calculate 2 threads in parallel.

AMD Athlon II X4 640 Characteristic Intel Atom Z2420
4 Cores 1
4 Threads 2
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
3.00 GHz Frequency 1.20 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

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 Athlon II X4 640 Characteristic Intel Atom Z2420
-- 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 PowerVR SGX540
GPU frequency 0.40 GHz
-- GPU (Turbo) --
-- GPU Generation --
Technology 45nm
Max. displays 1
-- Compute units 1
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version 10.1

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 PowerVR SGX540
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the AMD Athlon II X4 640, while the Intel Atom Z2420 supports a maximum of 1 GB of memory with a maximum memory bandwidth of 6.4 GB/s enabled.

AMD Athlon II X4 640 Characteristic Intel Atom Z2420
DDR3-1333 Memory LPDDR2-800
16 GB Max. Memory 1 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 6.4 GB/s
No ECC No
2.00 MB L2 Cache 0.50 MB
-- L3 Cache --
2.0 PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The AMD Athlon II X4 640 has a TDP of 95 W. The TDP of the Intel Atom Z2420 is 3 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Athlon II X4 640 Characteristic Intel Atom Z2420
95 W TDP (PL1 / PBP) 3 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 90 °C

Technical details

The AMD Athlon II X4 640 has 2.00 MB cache and is manufactured in 45 nm. The cache of Intel Atom Z2420 is at 0.50 MB. The processor is manufactured in 32 nm.

AMD Athlon II X4 640 Characteristic Intel Atom Z2420
45 nm Technology 32 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, 3DNow!, SSE3, SSE4a ISA extensions MMX, SSE3, SSSE3
AM3 Socket BGA 617
AMD-V Virtualization None
No AES-NI No
Windows 10, Linux Operating systems
Q2/2010 Release date Q1/2013
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Athlon II X4 640 to help other visitors make their purchasing decisions. The average rating is 3.5 stars (4 ratings). Rate now:
Here you can rate the Intel Atom Z2420 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
389 (100%)
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
1471 (100%)
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)

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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
386 (100%)
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)

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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
1332 (100%)
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)

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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
152 (100%)
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
582 (100%)
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 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 Athlon II X4 640 AMD Athlon II X4 640
@ 0.00 GHz
0 (0%)
Intel Atom Z2420 Intel Atom Z2420
PowerVR SGX540 @ 0.40 GHz
6 (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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
2161 (100%)
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
557 (100%)
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
71 (100%)
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 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 Athlon II X4 640 AMD Athlon II X4 640
4C 4T @ 3.00 GHz
274 (100%)
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)

Devices using this processor

AMD Athlon II X4 640 Intel Atom Z2420
Unknown Unknown

Popular comparisons containing this CPUs

1. AMD Phenom II X4 955AMD Athlon II X4 640 AMD Phenom II X4 955 vs AMD Athlon II X4 640
2. AMD Athlon II X4 640AMD Phenom II X4 945 AMD Athlon II X4 640 vs AMD Phenom II X4 945
3. AMD Athlon II X4 640Intel Core i5-4590 AMD Athlon II X4 640 vs Intel Core i5-4590
4. Intel Core 2 Quad Q8400AMD Athlon II X4 640 Intel Core 2 Quad Q8400 vs AMD Athlon II X4 640
5. AMD FX-6300AMD Athlon II X4 640 AMD FX-6300 vs AMD Athlon II X4 640
6. AMD Athlon II X4 640AMD FX-4100 AMD Athlon II X4 640 vs AMD FX-4100
7. AMD Athlon II X4 641AMD Athlon II X4 640 AMD Athlon II X4 641 vs AMD Athlon II X4 640
8. AMD Athlon II X4 640AMD Phenom II X4 925 AMD Athlon II X4 640 vs AMD Phenom II X4 925
9. AMD Athlon II X4 640Intel Core 2 Quad Q6700 AMD Athlon II X4 640 vs Intel Core 2 Quad Q6700
10. AMD Athlon II X2 260AMD Athlon II X4 640 AMD Athlon II X2 260 vs AMD Athlon II X4 640


back to index