AMD Phenom II X4 820: specs and benchmarks

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Price now 66$
Games supported 69%
Phenom II X4 820
AMD Phenom II X4 820
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  • Interface
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  • Memory clock speed
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Year of release 2009
Performance 1.64

Summary

AMD started Phenom II X4 820 sales on September 2009 at a recommended price of $90. This is a Deneb 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 2800 MHz 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

1.64%

of a leader's which is AMD EPYC 9654.

EPYC 9654EPYC9654
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General info

Phenom II X4 820 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in performance ranking1955
Value for money2.10
Market segmentDesktop processor
Architecture codenameDeneb (2009−2011)
Release dateSeptember 2009 (13 years old)
Launch price (MSRP)$90of 305 (Core i7-870)
Current price$66 (0.7x MSRP)of 15854 (Xeon Platinum 8276L)
Value for money

Performance per price, higher is better.

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
Boost clock speed2.8 GHzof 6 (Core i9-13900KS)
L1 cache128 KB (per core)of 7475.2 (Apple M2 Pro 10-Core)
L2 cache512 KB (per core)of 36864 (Apple M2 Max)
L3 cache4 MB (shared)of 768 (EPYC 7773X)
Chip lithography45 nmof 4 (Ryzen 9 7940HS)
Die size258 mm2
Number of transistors758 millionof 9900000 (Ryzen 5 7645HX)
64 bit support+
Windows 11 compatibility-

Compatibility

Information on Phenom II X4 820 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
Power consumption (TDP)95 Wattof 400 (Xeon Platinum 9282)

Memory specs

Types, maximum amount and channel number of RAM supported by Phenom II X4 820's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory typesDDR3of 5600 (Ryzen 9 7940HS)

Benchmark performance

Single-core and multi-core benchmark results of Phenom II X4 820. Overall benchmark performance is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark 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.

Phenom II X4 820 1.64

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: 68%

Phenom II X4 820 2065

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%

Phenom II X4 820 376

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%

Phenom II X4 820 1282

Gaming performance

Relative perfomance

Overall Phenom II X4 820 performance compared to nearest competitors among desktop CPUs.


Intel equivalent

According to our data, the closest Intel alternative to Phenom II X4 820 is Pentium G3258, which is nearly equal in speed and higher by 1 position in our ranking.

Pentium G3258PentiumG3258
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Here are some closest Intel rivals to Phenom II X4 820:

Similar processors

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

Phenom II X4 910ePhenom IIX4 910e
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Core 2 Quad Q6700Core 2Quad Q6700
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i3-2125Core i32125
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Core 2 Quad Q8400Core 2Quad Q8400
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Core 2 Quad Q9400Core 2Quad Q9400
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Recommended GPUs

People consider these graphics cards to be good for Phenom II X4 820, according to our PC configuration statistics.

These are the fastest graphics cards for Phenom II X4 820 in our user configuration statistics. There is a total of 253 configurations based on Phenom II X4 820 in our database.

User ratings: view and submit

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


4.5 47 votes

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Questions and comments

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