AMD Athlon II X2 340 vs AMD Ryzen 7 PRO 8840U

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CPU comparison with benchmarks


AMD Athlon II X2 340 CPU1 vs CPU2 AMD Ryzen 7 PRO 8840U
AMD Athlon II X2 340 AMD Ryzen 7 PRO 8840U

CPU comparison

AMD Athlon II X2 340 or AMD Ryzen 7 PRO 8840U - 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 Ryzen 7 PRO 8840U has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 7 PRO 8840U was released in Q2/2024.
AMD Athlon II (52) Family AMD Ryzen 7 PRO (21)
AMD Athlon II X2 (Trinity) (1) CPU group AMD Ryzen 8040 (20)
3 Generation 7
Trinity Architecture Hawk Point (Zen 4)
Desktop / Server Segment Mobile
-- Predecessor AMD Ryzen 7 PRO 7840U
-- 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 Ryzen 7 PRO 8840U has 8 CPU cores with a clock frequency of 3.30 GHz (5.10 GHz).
AMD Athlon II X2 340 Characteristic AMD Ryzen 7 PRO 8840U
2 Cores 8
2 Threads 16
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
3.20 GHz Frequency 3.30 GHz
3.60 GHz Turbo Frequency (1 Core) 5.10 GHz
3.60 GHz 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 X2 340 Characteristic AMD Ryzen 7 PRO 8840U
-- AI hardware AMD Ryzen AI
-- AI specifications AMD Ryzen™ AI

Internal Graphics

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 780M
GPU frequency 0.80 GHz
-- GPU (Turbo) 2.70 GHz
-- GPU Generation 3
Technology 4 nm
Max. displays 4
-- Compute units 12
-- Shader 768
No Hardware Raytracing Yes
No Frame Generation AMD FSR
-- Max. GPU Memory 32 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 780M
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
No Codec VP8 Decode
No Codec AV1 Decode / Encode
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 Ryzen 7 PRO 8840U can connect up to 256 GB of memory in 2 memory channels.
AMD Athlon II X2 340 Characteristic AMD Ryzen 7 PRO 8840U
DDR3-1600 Memory DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
Max. Memory 256 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
12.8 GB/s Max. Bandwidth 120.0 GB/s
No ECC Yes
-- L2 Cache 8.00 MB
1.00 MB L3 Cache 16.00 MB
-- PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 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 Ryzen 7 PRO 8840U is 28 W.
AMD Athlon II X2 340 Characteristic AMD Ryzen 7 PRO 8840U
65 W TDP (PL1 / PBP) 28 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 15 W
-- Tjunction max. 100 °C

Technical details

The AMD Athlon II X2 340 has a 1.00 MB cache, while the AMD Ryzen 7 PRO 8840U cache has a total of 24.00 MB.
AMD Athlon II X2 340 Characteristic AMD Ryzen 7 PRO 8840U
32 nm Technology 4 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,FMA3, AVX2, AVX512
FM2 Socket FP8
AMD-V Virtualization AMD-V, SVM
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q4/2012 Release date Q2/2024
30 $ Release price --
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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 X2 340 AMD Athlon II X2 340
2C 2T @ 3.60 GHz
0 (0%)
AMD Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
8C 16T @ 5.10 GHz
1807 (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.
AMD Athlon II X2 340 AMD Athlon II X2 340
2C 2T @ 3.60 GHz
0 (0%)
AMD Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
8C 16T @ 3.30 GHz
13450 (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 Athlon II X2 340 AMD Athlon II X2 340
2C 2T @ 3.60 GHz
0 (0%)
AMD Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
8C 16T @ 5.10 GHz
1917 (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 Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
8C 16T @ 3.30 GHz
9612 (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 Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
8C 16T @ 5.10 GHz
2446 (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 Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
8C 16T @ 3.30 GHz
10726 (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 Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
AMD Radeon 780M @ 2.70 GHz
4201 (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 X2 340 AMD Athlon II X2 340
2C 2T @ 3.60 GHz
1300 (100%)
AMD Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
8C 16T @ 3.30 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 X2 340 AMD Athlon II X2 340
2C 2T @ 3.60 GHz
77 (100%)
AMD Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
8C 16T @ 5.10 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 Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
8C 16T @ 3.30 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.
AMD Athlon II X2 340 AMD Athlon II X2 340
3.20 GHz
0 (0%)
AMD Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
13,450 CB R23 MC @ 30 W
448 (100%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
AMD Athlon II X2 340 AMD Athlon II X2 340
2C 2T @ 3.20 GHz
0 (0%)
AMD Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
8C 16T @ 3.30 GHz
16 (100%)

Devices using this processor
AMD Athlon II X2 340 AMD Ryzen 7 PRO 8840U
Unknown Unknown

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