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.

CPU lineage
Here you can see which group the AMD Athlon II X4 645 belongs to and which processor is the predecessor of the AMD Athlon II X4 645.
Name:	AMD Athlon II X4 645
Family:	AMD Athlon II (52)
CPU group:	AMD Athlon II X4 (Propus) (10)
Architecture:	Propus
Segment:	Desktop / Server
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):	--

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.

AI hardware:	--
AI specifications:	--

Internal Graphics

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.

GPU name:	no iGPU
GPU frequency:
GPU (Turbo):	No turbo
Compute units:	--
Shader:	--
Hardware Raytracing:	No
Release date:

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.

h265 / HEVC (8 bit):	No
h265 / HEVC (10 bit):	No
h264:	No
VP8:	No
VP9:	No

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
	Intel Celeron J4105 4C 4T @ 2.50 GHz	396
	AMD Athlon II X4 640 4C 4T @ 3.00 GHz	389
	Intel Core i7-4650U 2C 4T @ 3.30 GHz	381

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 Q9505 4C 4T @ 2.83 GHz	1587
	Intel Celeron J4125 4C 4T @ 2.70 GHz	1541
	Intel Core i5-5250U 2C 4T @ 2.50 GHz	1537
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	1520
	Intel Core M-5Y71 2C 4T @ 2.20 GHz	1489
	Intel Celeron J4105 4C 4T @ 2.40 GHz	1477
	AMD Athlon II X4 640 4C 4T @ 3.00 GHz	1471

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 940 4C 4T @ 3.00 GHz	402
	AMD A6-5357M 2C 2T @ 3.50 GHz	401
	Qualcomm Snapdragon 712 8C 8T @ 2.30 GHz	401
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	399
	AMD Athlon II X2 250 2C 2T @ 3.00 GHz	399
	Intel Pentium 3558U 2C 2T @ 1.70 GHz	398
	AMD Phenom II X2 545 2C 2T @ 3.00 GHz	398

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 Core i3-3220 2C 4T @ 3.30 GHz	1376
	Intel Core i3-3225 2C 4T @ 3.30 GHz	1376
	Intel Core i7-3687U 2C 4T @ 3.30 GHz	1376
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	1374
	Intel Core i7-3537U 2C 4T @ 2.00 GHz	1374
	Intel Core i7-4600U 2C 4T @ 3.30 GHz	1372
	Qualcomm Snapdragon 636 8C 8T @ 1.80 GHz	1369

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 X3 720 3C 3T @ 2.80 GHz	159
	Intel Core m3-6Y30 2C 4T @ 2.20 GHz	159
	Intel Core m5-6Y57 2C 4T @ 2.80 GHz	158
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	157
	Intel Core i3-4005U 2C 4T @ 1.70 GHz	156
	Intel Celeron N4100 4C 4T @ 2.40 GHz	153
	AMD Athlon II X4 640 4C 4T @ 3.00 GHz	152

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 Phenom II X4 945 4C 4T @ 3.00 GHz	606
	Intel Celeron N5100 4C 4T @ 2.20 GHz	604
	Intel Core i7-8500Y 2C 4T @ 2.70 GHz	602
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	601
	AMD A4-3320M 2C 2T @ 2.60 GHz	597
	Intel Core i5-4310U 2C 4T @ 3.00 GHz	595
	Intel Core i5-5300U 2C 4T @ 2.70 GHz	593

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 X4 641 4C 4T @ 2.80 GHz	2279
	AMD A6-3430MX 4C 4T @ 2.40 GHz	2277
	Intel Core i7-4550U 2C 4T @ 2.60 GHz	2275
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	2274
	Intel Core i5-8200Y 2C 4T @ 2.80 GHz	2272
	Intel Core 2 Extreme QX6850 4C 4T @ 3.00 GHz	2271
	Intel Pentium Gold 5405U 2C 4T @ 2.30 GHz	2270

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.


	Intel Celeron G1840 2C 2T @ 2.80 GHz	585
	Intel Core i5-3317U 2C 4T @ 1.70 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
	Intel Core i3-2370M 2C 4T @ 2.40 GHz	564

Benchmarks

Cinebench R23 (SC)
586 entries

Cinebench R23 (MC)
565 entries

Geekbench 5 (SC)
2,488 entries

Geekbench 5 (MC)
2,461 entries

Cinebench R20 (SC)
656 entries

Cinebench R20 (MC)
604 entries

PassMark CPU-Mark
2,392 entries

CPU-Z Benchmark 17 (MC)
733 entries

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