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CPU Benchmarks

Over 1,000,000 CPUs Benchmarked

AMD Phenom II X4 820

Benchmarks for the AMD Phenom II X4 820 can be found below. Release dates, price and performance comparisons are also listed when available. This is made using thousands of PerformanceTest benchmark results and is updated daily.

  • The first graph shows the relative performance of the CPU compared to the 10 other common (single) CPUs in terms of PassMark CPU Mark.
  • The 2nd graph shows the value for money, in terms of the CPUMark per dollar.
  • The pricing history data shows the price for a single Processor. For multiple Processors, multiply the price shown by the number of CPUs.

Is the AMD Phenom II X4 820 Good for Gaming?

This is a fairly old CPU that is no longer competitive with newer CPUs. [More ...]


AMD Phenom II X4 820

Description:

Class: Desktop

Socket: AM3

Clockspeed: 2.8 GHz

Cores: 4 Threads: 4

Typical TDP: 95 W

Cache per CPU Package:
L1 Instruction Cache: 4 x 64 KB
L1 Data Cache: 4 x 64 KB
L2 Cache: 4 x 512 KB
L3 Cache: 4 MB

Other names: AMD Phenom(tm) II X4 820 Processor

CPU First Seen on Charts: Q4 2009

CPUmark/$Price: 43.33

Overall Rank:
3174th fastest in multithreading out of 5126 CPUs
3169th fastest in single threading out of 5126 CPUs
937th fastest in out of 1446 Desktop CPUs

Last Price Change: $48.02 USD (2025-01-24)

Average CPU Mark rating
Multithread Rating
2081
Single Thread Rating
1121

Samples: 230*
*Margin for error: Low



PerformanceTest V9
CPU Mark: 3,223
Thread: 955

CPU Test Suite Average Results for AMD Phenom II X4 820

Integer Math6,401 MOps/Sec
Floating Point Math4,604 MOps/Sec
Find Prime Numbers11 Million Primes/Sec
Random String Sorting5,807 Thousand Strings/Sec
Data Encryption545.9 MBytes/Sec
Data Compression46,428 KBytes/Sec
Physics178 Frames/Sec
Extended Instructions1,057 Million Matrices/Sec
Single Thread1,121 MOps/Sec
From submitted results to PerformanceTest V10 as of 22nd of May 2025.

CPU Mark Distribution for AMD Phenom II X4 820

Submitted Baseline Distribution Graph as of 20th of May 2025
From submitted results since PerformanceTest V10 as of 20th of May 2025.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

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Pricing History


CPU Mark Relative to Top 10 Common Desktop CPUs
As of 22nd of May 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i9-13900K
 58,697
Intel Core i9-12900K
 41,312
AMD Ryzen 9 5900X
 39,032
Apple M1 Max 10 Core 3200 MHz
 22,138
AMD Ryzen 5 5600X
 21,861
Intel Core i5-12400F
 19,475
Intel Core i9-9900K @ 3.60GHz
 18,174
AMD Ryzen 5 3600
 17,708
Apple M2 8 Core 3500 MHz
 15,652
Apple M1 8 Core 3200 MHz
 14,146
AMD Phenom II X4 820
 2,081
CPU Value (CPU Mark / $Price )
As of 22nd of May 2025 - Higher results represent better value
Processor CPU Mark / $Price
AMD Ryzen 5 3600
 233.04
Intel Core i5-12400F
 178.68
AMD Ryzen 9 5900X
 163.35
AMD Ryzen 5 5600X
 161.93
Intel Core i9-13900K
 158.64
Intel Core i9-12900K
 138.63
Intel Core i9-9900K @ 3.60GHz
 51.93
AMD Phenom II X4 820
 43.33
Apple M1 8 Core 3200 MHz
 NA
Apple M2 8 Core 3500 MHz
 NA
Apple M1 Max 10 Core 3200 MHz
 NA
Single Thread Rating
As of 22nd of May 2025 - Higher results represent better performance
Processor Average Thread Rating
Intel Core i9-13900K
 4,611
Intel Core i9-12900K
 4,140
Apple M2 8 Core 3500 MHz
 3,902
Apple M1 Max 10 Core 3200 MHz
 3,836
Apple M1 8 Core 3200 MHz
 3,681
Intel Core i5-12400F
 3,478
AMD Ryzen 9 5900X
 3,470
AMD Ryzen 5 5600X
 3,363
Intel Core i9-9900K @ 3.60GHz
 2,921
AMD Ryzen 5 3600
 2,563
AMD Phenom II X4 820
 1,121
Last 5 Baselines for AMD Phenom II X4 820
Most recent listed first
Baseline CPU Mark
BL2183822 - Sep 01 2024
1757
BL2138668 - Jul 06 2024
2298
BL1981654 - Dec 29 2023
2483
BL1706017 - Dec 28 2022
1980
BL1659271 - Oct 29 2022
2348
Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.
Popular comparisons for AMD Phenom II X4 820
As of 22nd of May 2025 - Higher results represent better performance
Processor Average CPU Mark
AMD Phenom II X4 820
 2,081
Intel Core i5-650 @ 3.20GHz vs AMD Phenom II X4 820
 2,252 (+8.3%)
AMD Phenom II X4 955 vs AMD Phenom II X4 820
 2,536 (+21.9%)
AMD Phenom II X4 B95 vs AMD Phenom II X4 820
 2,427 (+16.7%)
AMD Phenom II X4 945 vs AMD Phenom II X4 820
 2,412 (+15.9%)
AMD Athlon II X4 640 vs AMD Phenom II X4 820
 2,263 (+8.8%)
Intel Core2 Quad Q9500 @ 2.83GHz vs AMD Phenom II X4 820
 2,246 (+8.0%)
AMD Athlon II X4 635 vs AMD Phenom II X4 820
 2,241 (+7.7%)
Intel Core2 Quad Q9505 @ 2.83GHz vs AMD Phenom II X4 820
 2,171 (+4.4%)
AMD Athlon II X4 630 vs AMD Phenom II X4 820
 2,169 (+4.3%)
AMD Athlon II X4 620 vs AMD Phenom II X4 820
 2,020 (-2.9%)
Intel Core2 Quad Q9300 @ 2.50GHz vs AMD Phenom II X4 820
 1,996 (-4.1%)
Intel Core2 Quad Q6600 @ 2.40GHz vs AMD Phenom II X4 820
 1,835 (-11.8%)

Is the AMD Phenom II X4 820 Good for Gaming?
As of 22nd of May 2025 - Higher results represent better performance
Processor Relative Gaming Score
AMD Ryzen 9 9900X3D
 12,499
AMD Ryzen 7 9800X3D
 12,156
AMD Ryzen 9 9950X3D
 11,332
AMD Ryzen 9 7900X3D
 10,845
Intel Core Ultra 9 285K
 10,595
AMD Ryzen 5 7600X3D
 10,511
AMD Ryzen 7 7800X3D
 10,282
AMD Ryzen 9 7950X3D
 9,809
Intel Core Ultra 5 245K
 9,684
Intel Core Ultra 7 265K
 9,520
Intel Core Ultra 9 285
 9,446
Intel Core Ultra 7 265KF
 9,426
AMD Phenom II X4 820
 237