AMD Athlon II X2 340 vs AMD Sempron 2650

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CPU comparison with benchmarks


AMD Athlon II X2 340 CPU1 vs CPU2 AMD Sempron 2650
AMD Athlon II X2 340 AMD Sempron 2650

CPU comparison

AMD Athlon II X2 340 or AMD Sempron 2650 - 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 Athlon II X2 340 has 2 cores with 2 threads and clocks with a maximum frequency of 3.60 GHz. Up to GB of memory is supported in 1 memory channels. The AMD Athlon II X2 340 was released in Q4/2012.

The AMD Sempron 2650 has 2 cores with 2 threads and clocks with a maximum frequency of 1.45 GHz. The CPU supports up to 8 GB of memory in 1 memory channels. The AMD Sempron 2650 was released in Q2/2014.
AMD Athlon II (52) Family AMD Sempron (2)
AMD Athlon II X2 (Trinity) (1) CPU group AMD Sempron 2000/3000 (2)
3 Generation 1
Trinity Architecture Kabini (Jaguar)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Athlon II X2 340 is a 2 core processor with a clock frequency of 3.20 GHz (3.60 GHz). The AMD Sempron 2650 has 2 CPU cores with a clock frequency of 1.45 GHz.

AMD Athlon II X2 340 Characteristic AMD Sempron 2650
2 Cores 2
2 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
3.20 GHz Frequency 1.45 GHz
3.60 GHz Turbo Frequency (1 Core) --
3.60 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.

AMD Athlon II X2 340 Characteristic AMD Sempron 2650
-- 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.

no iGPU GPU AMD Radeon HD 8240
GPU frequency 0.40 GHz
-- GPU (Turbo) --
-- GPU Generation 5
Technology 28 nm
Max. displays 2
-- Compute units 2
-- Shader 128
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11.1

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 AMD Radeon HD 8240
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The AMD Athlon II X2 340 supports a maximum of GB of memory in 1 memory channels. The AMD Sempron 2650 can connect up to 8 GB of memory in 1 memory channels.

AMD Athlon II X2 340 Characteristic AMD Sempron 2650
DDR3-1600 Memory DDR3L-1333
Max. Memory 8 GB
1 (Single Channel) Memory channels 1 (Single Channel)
12.8 GB/s Max. Bandwidth 10.7 GB/s
No ECC No
-- L2 Cache 1.00 MB
1.00 MB L3 Cache --
-- PCIe version 2.0
-- PCIe lanes 4
-- PCIe Bandwidth 2.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Athlon II X2 340 has a TDP of 65 W, that of the AMD Sempron 2650 is 25 W.

AMD Athlon II X2 340 Characteristic AMD Sempron 2650
65 W TDP (PL1 / PBP) 25 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 90 °C

Technical details

The AMD Athlon II X2 340 has a 1.00 MB cache, while the AMD Sempron 2650 cache has a total of 1.00 MB.

AMD Athlon II X2 340 Characteristic AMD Sempron 2650
32 nm Technology 28 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, 3DNow!, SSE3, SSE4a ISA extensions SSE4a, SSE4.1, SSE4.2, AVX
FM2 Socket AM1
AMD-V Virtualization AMD-V
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q4/2012 Release date Q2/2014
30 $ Release price 26 $
show more data show more data


Rate these processors

Here you can rate the AMD Athlon II X2 340 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the AMD Sempron 2650 to help other visitors make their purchasing decisions. The average rating is 1.0 stars (2 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
AMD Athlon II X2 340 (0%)
AMD Sempron 2650 (0%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Athlon II X2 340 (100%)
AMD Sempron 2650 (43%)

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 X2 340 AMD Athlon II X2 340
2C 2T @ 3.60 GHz
1300 (100%)
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
564 (43%)

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 X2 340 AMD Athlon II X2 340
2C 2T @ 3.60 GHz
0 (0%)
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
178 (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 Athlon II X2 340 AMD Athlon II X2 340
2C 2T @ 3.60 GHz
0 (0%)
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
340 (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 Athlon II X2 340 AMD Athlon II X2 340
2C 2T @ 3.60 GHz
0 (0%)
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
161 (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 Athlon II X2 340 AMD Athlon II X2 340
2C 2T @ 3.60 GHz
0 (0%)
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
273 (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 Athlon II X2 340 AMD Athlon II X2 340
@ 0.00 GHz
0 (0%)
AMD Sempron 2650 AMD Sempron 2650
AMD Radeon HD 8240 @ 0.40 GHz
102 (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 Athlon II X2 340 AMD Athlon II X2 340
2C 2T @ 3.60 GHz
77 (100%)
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 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 X2 340 AMD Athlon II X2 340
2C 2T @ 3.60 GHz
126 (100%)
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
0 (0%)

Devices using this processor

AMD Athlon II X2 340 AMD Sempron 2650
Unknown Unknown

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