AMD Athlon II X4 645: specs and benchmarks

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Games supported 66%
AMD Athlon II X4 645
AMD Athlon II X4 645
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  • Interface
  • Core clock speed
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Year of release 2010
Performance 1.87

Summary

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

1.87%

of a leader's which is AMD EPYC 9654.

AMD EPYC 9654 EPYC 9654
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General info

Athlon II X4 645 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in performance rating1861
Value for money3.30
Market segmentDesktop processor
Architecture codenamePropus (2009−2011)
Release date21 September 2010
(12 years old)
Launch price (MSRP)$80of 305 (Core i7-870)
Current price$44 (0.6x MSRP)of 25332 (Xeon Platinum 8276L)
Value for money

To get the index we compare the characteristics of the processors and their cost, taking into account the cost of other processors.

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Technical specs

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 cores4 (Quad-Core)
Threads4
Base clock speed3.1 GHzof 4.7 (Ryzen 9 7900X)
Boost clock speed3.1 GHzof 7.3 (Ryzen 9 7900)
L1 cache128 KB (per core)of 1536 (EPYC Embedded 3401)
L2 cache512 KB (per core)of 12288 (Core 2 Quad Q9550)
L3 cache0 KBof 32768 (Ryzen Threadripper 1998)
Chip lithography45 nmof 4 (Ryzen 9 7940HS)
Die size169 mm2
Number of transistors300 millionof 9900000 (Ryzen 5 7645HX)
64 bit support+
Windows 11 compatibility-

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 configuration1of 8 (Xeon Platinum 8160M)
SocketAM3
Thermal design power (TDP)95 Wattof 400 (Xeon Platinum 9282)

Memory specs

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 typesDDR3of 5600 (Ryzen 9 7940HS)

Peripherals

Specifications and connection types of supported peripherals.

PCIe version2.0of 5 (EPYC 9654)

Benchmark performance

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.


Overall score

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.

Athlon II X4 645 1.87
  • Passmark
  • GeekBench 5 Single-Core
  • GeekBench 5 Multi-Core

Passmark

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%

Athlon II X4 645 2325

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%

Athlon II X4 645 375

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%

Athlon II X4 645 1267

Is Athlon II X4 645 good for gaming?

Relative perfomance

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.

Intel Core 2 Quad Q9550 Core 2 Quad Q9550
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Here are some closest Intel rivals to Athlon II X4 645:

Similar processors

Here is our recommendation of several processors that are more or less close in performance to the one reviewed.

AMD A8-3850 A8 3850
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AMD A8-3870K A8 3870K
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AMD A10-6700T A10 6700T
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AMD Phenom II X4 850 Phenom II X4 850
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AMD Phenom II X4 840T Phenom II X4 840T
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Intel Core i3-3240 Core i3 3240
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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.

NVIDIA GeForce RTX 4090 GeForce RTX 4090
0.2% (5/2209)
NVIDIA GeForce RTX 3090 Ti GeForce RTX 3090 Ti
0.1% (3/2209)
NVIDIA GeForce RTX 3080 Ti GeForce RTX 3080 Ti
0.1% (3/2209)
NVIDIA GeForce RTX 3090 GeForce RTX 3090
0.2% (5/2209)
AMD Radeon RX 6800 Radeon RX 6800
0.05% (1/2209)
NVIDIA GeForce RTX 3060 Ti GeForce RTX 3060 Ti
0.05% (1/2209)
AMD Radeon RX 6700 Radeon RX 6700
0.09% (2/2209)
NVIDIA GeForce RTX 3060 GeForce RTX 3060
0.1% (3/2209)
AMD Radeon RX 6600 Radeon RX 6600
0.05% (1/2209)

User rating

Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.


3.9 175 ratings

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Questions and comments

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