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AMD Athlon II X4 645 Benchmark, Test and specs

Last updated: 2022-03-28

The AMD Athlon II X4 645 is a 4 core processor. It can handle 4 threads simultaneously and was introduced in Q3/2010. The AMD Athlon II X4 645 is based on the 1. generation of the AMD Athlon II series and requires a mainboard with the socket AM3. The AMD Athlon II X4 645 scores 399 points with one CPU core in the Geekbench 5 benchmark. When using all CPU cores, the result is 1,374 points.

At a glance
Name:	AMD Athlon II X4 645
Family:	AMD Athlon II (52)
CPU group:	AMD Athlon II X4 (Propus) (10)
Architecture:	Propus
Technology:	45 nm
Segment:	Desktop
Generation:	1
Predecessor:	--
Successor:	--

CPU Cores and Base Frequency

The 4 CPU cores of the AMD Athlon II X4 645 clock with 3.10 GHz. The number of CPU cores and the clock frequency of the processor are largely responsible for the overall performance.

CPU Cores / Threads:	4 / 4
Core architecture:	normal
Cores:	4x

Hyperthreading / SMT:	No
Overclocking:	No
Frequency:	3.10 GHz
Turbo Frequency (1 Core):	--
Turbo Frequency (4 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.

Integrated graphics (iGPU)

With the no iGPU, the AMD Athlon II X4 645 has an build in graphic solution. It has -- SM processors, which have a total of -- texture shaders. The iGPU not only enables games, but also significantly accelerates video playback.

Max. displays:
Generation:	--
Direct X:	--
Technology:
Max. GPU Memory:	--
Frame Generation:	No

Hardware codec support

Processors that have an integrated graphics can play videos faster and more efficiently. This can have a positive effect on the battery life of notebooks, for example.

AV1:	No
AVC:	No
VC-1:	No
JPEG:	No

Memory type:	Memory bandwidth:
Memory & PCIe The AMD Athlon II X4 645 supports up to 16 GB memory in up to 2 (Dual Channel) memory channels. This results in a maximum memory bandwidth of 21.3 GB/s.

DDR3-1333	21.3 GB/s
Max. Memory:	16 GB
Memory channels:	2 (Dual Channel)
ECC:	No
PCIe:	2.0
PCIe Bandwidth:	--

Thermal Management With the TDP, the processor manufacturer specifies the cooling solution required for the processor. The AMD Athlon II X4 645 has a TDP of 95 W.

TDP (PL1 / PBP):	95 W
TDP (PL2):	--
TDP up:	--
TDP down:	--
Tjunction max.:	--

Technical details

The AMD Athlon II X4 645 has a 2.00 MB large cache. The processor is manufactured in 45 nm. Modern production increases the efficiency of the processor.

Technology:	45 nm
Chip design:
Socket:	AM3
L2-Cache:	2.00 MB
L3-Cache:	--
AES-NI:	No
Operating systems:	Windows 10, Linux

Virtualization:	AMD-V
Instruction set (ISA):	x86-64 (64 bit)
ISA extensions:	MMX, 3DNow!, SSE3, SSE4a
Release date:	Q3/2010
Release price:	--
Part Number:	--
Documents:	--

AMD Athlon II X4 645
4C 4T @ 3.10 GHz

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Benchmark results

The benchmark results for the AMD Athlon II X4 645 have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.

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.


	Intel Core 2 Quad Q9550 4C 4T @ 2.83 GHz	435
	Intel Core 2 Quad Q9500 4C 4T @ 2.83 GHz	427
	Intel Core 2 Quad Q9505 4C 4T @ 2.83 GHz	420
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	402
	AMD Athlon II X4 640 4C 4T @ 3.00 GHz	389
	AMD Athlon II X4 635 4C 4T @ 2.90 GHz	376
	AMD Athlon II X4 630 4C 4T @ 2.80 GHz	363

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.


	Intel Core 2 Quad Q9550 4C 4T @ 2.83 GHz	1642
	Intel Core 2 Quad Q9500 4C 4T @ 2.83 GHz	1616
	Intel Core 2 Quad Q9505 4C 4T @ 2.83 GHz	1587
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	1520
	AMD Athlon II X4 640 4C 4T @ 3.00 GHz	1471
	AMD Athlon II X4 635 4C 4T @ 2.90 GHz	1422
	AMD Athlon II X4 630 4C 4T @ 2.80 GHz	1373

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 Phenom II X4 945 4C 4T @ 3.00 GHz	403
	Intel Core 2 Extreme QX6800 4C 4T @ 2.93 GHz	403
	AMD Phenom II X4 940 4C 4T @ 3.00 GHz	402
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	399
	AMD Athlon II X2 250 2C 2T @ 3.00 GHz	399
	AMD Phenom II X2 545 2C 2T @ 3.00 GHz	398
	Intel Pentium E6300 2C 2T @ 2.80 GHz	397

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.


	Intel Celeron G4900T 2C 2T @ 2.80 GHz	1386
	Intel Core i3-3220 2C 4T @ 3.30 GHz	1376
	Intel Core i3-3225 2C 4T @ 3.30 GHz	1376
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	1374
	Intel Core i5-670 2C 4T @ 3.46 GHz	1368
	Intel Core 2 Quad Q9450 4C 4T @ 2.66 GHz	1363
	AMD Phenom II X4 960T 4C 4T @ 3.40 GHz	1362

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 Phenom II X4 945 4C 4T @ 3.00 GHz	168
	AMD FX-8100 8C 8T @ 3.70 GHz	161
	AMD Phenom II X3 720 3C 3T @ 2.80 GHz	159
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	157
	AMD Athlon II X4 640 4C 4T @ 3.00 GHz	152
	Intel Xeon E7-8870 v2 15C 30T @ 2.90 GHz	151
	AMD Athlon II X4 635 4C 4T @ 2.90 GHz	147

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.


	Intel Celeron G5905 2C 2T @ 3.50 GHz	615
	AMD A8-5600K 4C 4T @ 3.90 GHz	611
	AMD Phenom II X4 945 4C 4T @ 3.00 GHz	606
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	601
	AMD Athlon II X4 640 4C 4T @ 3.00 GHz	582
	AMD Athlon II X4 635 4C 4T @ 2.90 GHz	563
	AMD Athlon II X4 630 4C 4T @ 2.80 GHz	544

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.


	Intel Core 2 Quad Q9550 4C 4T @ 2.83 GHz	2291
	Intel Celeron G4900T 2C 2T @ 2.80 GHz	2290
	AMD Athlon II X4 641 4C 4T @ 2.80 GHz	2279
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	2274
	Intel Core 2 Extreme QX6850 4C 4T @ 3.00 GHz	2271
	Intel Celeron G5900E 2C 2T @ 3.20 GHz	2260
	Intel Core 2 Extreme QX6800 4C 4T @ 2.93 GHz	2258

CPU-Z Benchmark 17 Multi-Core

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.


	AMD Phenom II X4 955 4C 4T @ 3.20 GHz	598
	Intel Celeron G1840 2C 2T @ 2.80 GHz	585
	Intel Pentium G2030 2C 2T @ 3.00 GHz	583
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	575
	Intel Pentium G860 2C 2T @ 3.00 GHz	574
	Intel Pentium G2020 2C 2T @ 2.90 GHz	569
	AMD Phenom II X4 945 4C 4T @ 3.00 GHz	564

Benchmarks

Cinebench R23 (SC)
646 entries

Cinebench R23 (MC)
626 entries

Geekbench 5 (SC)
2,510 entries

Geekbench 5 (MC)
2,477 entries

Cinebench R20 (SC)
665 entries

Cinebench R20 (MC)
613 entries

PassMark CPU-Mark
2,457 entries

CPU-Z Benchmark 17 (MC)
744 entries

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