To get the index we compare the characteristics of the processors and their cost, taking into account the cost of other processors.
AMD Athlon II X4 645: specs and benchmarks
- Core clock speed
- Max video memory
- Memory type
- Memory clock speed
- Maximum resolution
AMD started AMD Athlon II X4 645 sales 21 September 2010 at a recommended price of $80. This is a Propus architecture desktop processor primarily aimed at office systems. It has 4 cores and 4 threads, and is based on 45 nm manufacturing technology, with a maximum frequency of 3.1 and a locked multiplier.
Compatibility-wise, this is AMD Socket AM3 processor with a TDP of 95 Watt. It supports DDR3 memory.
It provides poor benchmark performance at
of a leader's which is AMD EPYC 9654.
Athlon II X4 645 processor market type (desktop or notebook), architecture, sales start time and pricing.
|Place in performance rating||1861|
|Value for money||3.30|
|Market segment||Desktop processor|
|Architecture codename||Propus (2009−2011)|
|Release date||21 September 2010|
(12 years old)
|Launch price (MSRP)||$80||of 305 (Core i7-870)|
|Current price||$44 (0.6x MSRP)||of 25332 (Xeon Platinum 8276L)|
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
|Physical cores||4 (Quad-Core)|
|Base clock speed||3.1 GHz||of 4.7 (Ryzen 9 7900X)|
|Boost clock speed||3.1 GHz||of 7.3 (Ryzen 9 7900)|
|L1 cache||128 KB (per core)||of 1536 (EPYC Embedded 3401)|
|L2 cache||512 KB (per core)||of 12288 (Core 2 Quad Q9550)|
|L3 cache||0 KB||of 32768 (Ryzen Threadripper 1998)|
|Chip lithography||45 nm||of 4 (Ryzen 9 7940HS)|
|Die size||169 mm2|
|Number of transistors||300 million||of 9900000 (Ryzen 5 7645HX)|
|64 bit support||+|
|Windows 11 compatibility||-|
Information on Athlon II X4 645 compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
|Number of CPUs in a configuration||1||of 8 (Xeon Platinum 8160M)|
|Thermal design power (TDP)||95 Watt||of 400 (Xeon Platinum 9282)|
Types, maximum amount and channel number of RAM supported by Athlon II X4 645's memory controller. Depending on the motherboard, higher memory frequency may be supported.
|Supported memory types||DDR3||of 5600 (Ryzen 9 7940HS)|
Specifications and connection types of supported peripherals.
|PCIe version||2.0||of 5 (EPYC 9654)|
Single-core and multi-core benchmark results of Athlon II X4 645. Overall benchmark performance is measured in points in 0-100 range, higher is better.
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
- GeekBench 5 Single-Core
- GeekBench 5 Multi-Core
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 67%
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 37%
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 37%
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Overall Athlon II X4 645 performance compared to nearest competitors among desktop CPUs.
Athlon II X4 645 Intel equivalent
We believe that the nearest equivalent to Athlon II X4 645 from Intel is Core 2 Quad Q9550, which is nearly equal in speed and lower by 4 positions in our rating.
Here are some closest Intel rivals to Athlon II X4 645:
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Best GPU for Athlon II X4 645
People consider these graphics cards to be good for Athlon II X4 645, according to our PC configuration statistics.
These are the fastest graphics cards for Athlon II X4 645 in our user configuration statistics. There is a total of 2209 configurations based on Athlon II X4 645 in our database.
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