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AMD Phenom II X4 820 Benchmark, Test and specs

Last updated: 2024-04-12

The AMD Phenom II X4 820 is a 4 core processor. It can handle 4 threads simultaneously and was introduced in Q3/2009. The AMD Phenom II X4 820 is based on the 4. generation of the AMD Phenom II series and requires a mainboard with the socket AM3. The AMD Phenom II X4 820 scores 361 points with one CPU core in the Geekbench 5 benchmark. When using all CPU cores, the result is 1,177 points.

At a glance
Name:	AMD Phenom II X4 820
Family:	AMD Phenom II (52)
CPU group:	AMD Phenom II - 800/900 (23)
Architecture:	Deneb (K10)
Technology:	45 nm
Segment:	Desktop
Generation:	4
Predecessor:	--
Successor:	--

CPU Cores and Base Frequency

The 4 CPU cores of the AMD Phenom II X4 820 clock with 2.80 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:	Yes
Frequency:	2.80 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.

AI hardware:	--
AI specifications:	--
NPU + CPU + iGPU:	--

Integrated graphics (iGPU)

With the no iGPU, the AMD Phenom II X4 820 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 Phenom II X4 820 supports up to memory in up to 2 (Dual Channel) memory channels. This results in a maximum memory bandwidth of 21.3 GB/s.

DDR3-1333 DDR2-1066	21.3 GB/s 17.1 GB/s
Max. Memory:
Memory channels:	2 (Dual Channel)
ECC:	No
PCIe:
PCIe Bandwidth:	--

Thermal Management With the TDP, the processor manufacturer specifies the cooling solution required for the processor. The AMD Phenom II X4 820 has a TDP of 95 W.

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

Technical details

The AMD Phenom II X4 820 has a 4.00 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:	--
L3-Cache:	4.00 MB
AES-NI:	No
Operating systems:	Windows 10, Linux

Virtualization:	AMD-V
Instruction set (ISA):	x86-64 (64 bit)
ISA extensions:	SSE3, SSE4a
Release date:	Q3/2009
Release price:	--
Part Number:	--
Documents:	--

AMD Phenom II X4 820
4C 4T @ 2.80 GHz

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Benchmark results

The benchmark results for the AMD Phenom II X4 820 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.

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.


	Intel Core2 Duo E6700 2C 2T @ 2.66 GHz	365
	AMD A8-3850 4C 4T @ 2.90 GHz	363
	AMD Athlon II X4 631 4C 4T @ 2.60 GHz	363
	AMD Phenom II X4 820 4C 4T @ 2.80 GHz	361
	AMD Athlon II X3 435 3C 3T @ 2.90 GHz	360
	AMD Athlon II X4 630 4C 4T @ 2.80 GHz	360
	Intel Pentium E5300 2C 2T @ 2.60 GHz	359

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 i3-2120T 2C 4T @ 2.60 GHz	1202
	Intel Pentium G3250T 2C 2T @ 2.80 GHz	1194
	Intel Pentium G3440T 2C 2T @ 2.80 GHz	1194
	AMD Phenom II X4 820 4C 4T @ 2.80 GHz	1177
	Intel Core i3-550 2C 4T @ 3.20 GHz	1170
	Intel Core 2 Quad Q9400 4C 4T @ 2.66 GHz	1163
	AMD Athlon II X4 615e 4C 4T @ 2.50 GHz	1161

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 i3-3250T 2C 4T @ 3.00 GHz	2135
	AMD Phenom II X2 560 2C 2T @ 3.30 GHz	2124
	Intel Core 2 Quad Q9450 4C 4T @ 2.66 GHz	2110
	AMD Phenom II X4 820 4C 4T @ 2.80 GHz	2106
	AMD Athlon II X4 635 4C 4T @ 2.90 GHz	2100
	AMD Athlon II X4 630 4C 4T @ 2.80 GHz	2090
	Intel Celeron G3930T 2C 2T @ 2.70 GHz	2080

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 Xeon E5-2690 v2 10C 20T @ 3.60 GHz	76
	Intel Xeon Bronze 3104 6C 6T @ 1.70 GHz	75
	Intel Xeon Bronze 3106 8C 8T @ 1.70 GHz	75
	AMD Phenom II X4 820 4C 4T @ 2.80 GHz	74
	AMD Phenom II X4 B93 4C 4T @ 2.80 GHz	74
	AMD Phenom II X4 925 4C 4T @ 2.80 GHz	74
	AMD Phenom II X4 920 4C 4T @ 2.80 GHz	74

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 Athlon II X4 740 4C 4T @ 3.70 GHz	288
	Intel Celeron G5905 2C 2T @ 3.50 GHz	287
	Intel Core i3-4130T 2C 4T @ 2.90 GHz	285
	AMD Phenom II X4 820 4C 4T @ 2.80 GHz	284
	AMD Phenom II X4 B93 4C 4T @ 2.80 GHz	284
	AMD Phenom II X4 925 4C 4T @ 2.80 GHz	284
	AMD Phenom II X4 920 4C 4T @ 2.80 GHz	284

Benchmarks

Geekbench 5 (SC)
2,509 entries

Geekbench 5 (MC)
2,476 entries

PassMark CPU-Mark
2,450 entries

Cinebench R15 (SC)
1,109 entries

Cinebench R15 (MC)
1,105 entries

Geekbench 3 (SC)
942 entries

Geekbench 3 (MC)
938 entries

Cinebench R11.5 (SC)
825 entries

Cinebench R11.5 (MC)
836 entries

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