AMD Ryzen 9 6900HX vs AMD Athlon II X3 450

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CPU comparison with benchmarks


AMD Ryzen 9 6900HX CPU1 vs CPU2 AMD Athlon II X3 450
AMD Ryzen 9 6900HX AMD Athlon II X3 450

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 9 6900HX and the AMD Athlon II X3 450 and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 9 6900HX 8 core processor released in Q1/2022 with the AMD Athlon II X3 450 which has 3 CPU cores and was introduced in Q3/2010.
AMD Ryzen 9 (35) Family AMD Athlon II (52)
AMD Ryzen 6000H/7035H (20) CPU group AMD Athlon II X3 (Rana) (12)
5 Generation 1
Rembrandt (Zen 3+) Architecture Rana
Mobile Segment Desktop / Server
AMD Ryzen 9 5900HX Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 9 6900HX is a 8 core processor with a clock frequency of 3.30 GHz (4.90 GHz). The processor can compute 16 threads at the same time. The AMD Athlon II X3 450 clocks with 3.20 GHz, has 3 CPU cores and can calculate 3 threads in parallel.

AMD Ryzen 9 6900HX Characteristic AMD Athlon II X3 450
8 Cores 3
16 Threads 3
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
3.30 GHz Frequency 3.20 GHz
4.90 GHz Turbo Frequency (1 Core) --
4.20 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 Ryzen 9 6900HX Characteristic AMD Athlon II X3 450
-- 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 680M GPU no iGPU
2.00 GHz GPU frequency --
2.40 GHz GPU (Turbo) --
9 GPU Generation --
6 nm Technology
3 Max. displays
12 Compute units --
768 Shader --
Yes Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory --
12 DirectX Version --

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 680M GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 64 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 9 6900HX, while the AMD Athlon II X3 450 supports a maximum of 16 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled.

AMD Ryzen 9 6900HX Characteristic AMD Athlon II X3 450
LPDDR5-6400, DDR5-4800 Memory DDR3-1333
64 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
76.8 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
4.00 MB L2 Cache 1.50 MB
16.00 MB L3 Cache --
4.0 PCIe version 2.0
12 PCIe lanes --
23.6 GB/s PCIe Bandwidth --

Thermal Management

The AMD Ryzen 9 6900HX has a TDP of 45 W. The TDP of the AMD Athlon II X3 450 is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 9 6900HX Characteristic AMD Athlon II X3 450
45 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
54 W TDP up --
-- TDP down --
95 °C Tjunction max. --

Technical details

The AMD Ryzen 9 6900HX has 20.00 MB cache and is manufactured in 6 nm. The cache of AMD Athlon II X3 450 is at 1.50 MB. The processor is manufactured in 45 nm.

AMD Ryzen 9 6900HX Characteristic AMD Athlon II X3 450
6 nm Technology 45 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions MMX, 3DNow!, SSE3, SSE4a
FP7 Socket AM3
AMD-V, SVM Virtualization AMD-V
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q1/2022 Release date Q3/2010
-- Release price --
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Rate these processors

Here you can rate the AMD Ryzen 9 6900HX to help other visitors make their purchasing decisions. The average rating is 4.4 stars (14 ratings). Rate now:
Here you can rate the AMD Athlon II X3 450 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Ryzen 9 6900HX (100%)
AMD Athlon II X3 450 (23%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Ryzen 9 6900HX (100%)
AMD Athlon II X3 450 (8%)

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 Ryzen 9 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.90 GHz
1644 (100%)
AMD Athlon II X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 GHz
384 (23%)

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 Ryzen 9 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
10609 (100%)
AMD Athlon II X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 GHz
980 (9%)

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 Ryzen 9 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
24939 (100%)
AMD Athlon II X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 GHz
1819 (7%)

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 Ryzen 9 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.90 GHz
1662 (100%)
AMD Athlon II X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 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 Ryzen 9 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
14670 (100%)
AMD Athlon II X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 GHz
0 (0%)

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 Ryzen 9 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.90 GHz
2092 (100%)
AMD Athlon II X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 GHz
0 (0%)

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 Ryzen 9 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
9938 (100%)
AMD Athlon II X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 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 Ryzen 9 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.90 GHz
642 (100%)
AMD Athlon II X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 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 Ryzen 9 6900HX AMD Ryzen 9 6900HX
8C 16T @ 4.20 GHz
5711 (100%)
AMD Athlon II X3 450 AMD Athlon II X3 450
3C 3T @ 3.20 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 Ryzen 9 6900HX AMD Ryzen 9 6900HX
AMD Radeon 680M @ 2.40 GHz
3686 (100%)
AMD Athlon II X3 450 AMD Athlon II X3 450
@ 0.00 GHz
0 (0%)

Devices using this processor

AMD Ryzen 9 6900HX AMD Athlon II X3 450
Unknown Unknown

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