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CPU Benchmarks

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AMD Phenom II X4 840

Benchmarks for the AMD Phenom II X4 840 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 840 Good for Gaming?

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


AMD Phenom II X4 840

Description:

Class: Desktop

Socket: AM2+/AM3

Clockspeed: 3.2 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

Other names: AMD Phenom(tm) II X4 840 Processor

CPU First Seen on Charts: Q1 2011

CPUmark/$Price: 44.91

Overall Rank:
2945th fastest in multithreading out of 5104 CPUs
2792nd fastest in single threading out of 5104 CPUs
861st fastest in out of 1444 Desktop CPUs

Last Price Change: $54.04 USD (2022-11-03)

Average CPU Mark rating
Multithread Rating
2427
Single Thread Rating
1299

Samples: 727*
*Margin for error: Low



PerformanceTest V9
CPU Mark: 3,409
Thread: 1,087

CPU Test Suite Average Results for AMD Phenom II X4 840

Integer Math7,559 MOps/Sec
Floating Point Math5,596 MOps/Sec
Find Prime Numbers9 Million Primes/Sec
Random String Sorting6,977 Thousand Strings/Sec
Data Encryption641.2 MBytes/Sec
Data Compression56,019 KBytes/Sec
Physics186 Frames/Sec
Extended Instructions1,275 Million Matrices/Sec
Single Thread1,299 MOps/Sec
From submitted results to PerformanceTest V10 as of 29th of April 2025.

CPU Mark Distribution for AMD Phenom II X4 840

Submitted Baseline Distribution Graph as of 29th of April 2025
From submitted results since PerformanceTest V10 as of 29th of April 2025.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

MerchantPricePurchase
Amazon.com$54.04 USDBuy Now!
NewEgg.comNACPU Not Available. See Other Models
BestBuy.comNACPU Not Available. See Other Models
Note: PassMark Software may earn compensation for sales from links on this site through affiliate programs.

Pricing History


CPU Mark Relative to Top 10 Common Desktop CPUs
As of 29th of April 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i9-13900K
 58,722
Intel Core i9-12900K
 41,322
AMD Ryzen 9 5900X
 39,040
Intel Core i7-12700K
 34,484
Apple M1 Max 10 Core 3200 MHz
 22,131
AMD Ryzen 5 5600X
 21,866
Intel Core i9-9900K @ 3.60GHz
 18,181
AMD Ryzen 5 3600
 17,711
Apple M2 8 Core 3500 MHz
 15,652
Apple M1 8 Core 3200 MHz
 14,144
AMD Phenom II X4 840
 2,427
CPU Value (CPU Mark / $Price )
As of 29th of April 2025 - Higher results represent better value
Processor CPU Mark / $Price
Intel Core i9-13900K
 147.55
Intel Core i9-12900K
 131.75
Intel Core i7-12700K
 84.31
AMD Phenom II X4 840
 44.91
Apple M1 8 Core 3200 MHz
 NA
Apple M2 8 Core 3500 MHz
 NA
Apple M1 Max 10 Core 3200 MHz
 NA
AMD Ryzen 5 3600
 NA
AMD Ryzen 5 5600X
 NA
AMD Ryzen 9 5900X
 NA
Intel Core i9-9900K @ 3.60GHz
 NA
Single Thread Rating
As of 29th of April 2025 - Higher results represent better performance
Processor Average Thread Rating
Intel Core i9-13900K
 4,612
Intel Core i9-12900K
 4,141
Intel Core i7-12700K
 4,018
Apple M2 8 Core 3500 MHz
 3,903
Apple M1 Max 10 Core 3200 MHz
 3,836
Apple M1 8 Core 3200 MHz
 3,680
AMD Ryzen 9 5900X
 3,470
AMD Ryzen 5 5600X
 3,363
Intel Core i9-9900K @ 3.60GHz
 2,922
AMD Ryzen 5 3600
 2,563
AMD Phenom II X4 840
 1,299
Last 5 Baselines for AMD Phenom II X4 840
Most recent listed first
Baseline CPU Mark
BL2585253 - Apr 27 2025
2630
BL2486733 - Mar 17 2025 [Excluded]
2292
BL2479352 - Mar 13 2025 [Excluded]
2362
BL2362092 - Jan 23 2025
2580
BL2332592 - Jan 10 2025
2728
Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.
Popular comparisons for AMD Phenom II X4 840
As of 29th of April 2025 - Higher results represent better performance
Processor Average CPU Mark
AMD Phenom II X4 840
 2,427
AMD Phenom II X4 970 vs AMD Phenom II X4 840
 2,713 (+11.8%)
AMD Phenom II X4 850 vs AMD Phenom II X4 840
 2,455 (+1.1%)
AMD Phenom II X4 960T vs AMD Phenom II X4 840
 2,375 (-2.2%)
AMD Athlon II X4 645 vs AMD Phenom II X4 840
 2,373 (-2.2%)
AMD Phenom II X4 840T vs AMD Phenom II X4 840
 2,360 (-2.7%)
AMD Athlon II X4 640 vs AMD Phenom II X4 840
 2,262 (-6.8%)
AMD FX-4300 Quad-Core vs AMD Phenom II X4 840
 2,987 (+23.1%)
AMD Phenom II X4 965 vs AMD Phenom II X4 840
 2,657 (+9.5%)
AMD Phenom II X4 955 vs AMD Phenom II X4 840
 2,535 (+4.5%)
AMD Phenom II X4 945 vs AMD Phenom II X4 840
 2,411 (-0.7%)
Intel Core i3-3240 @ 3.40GHz vs AMD Phenom II X4 840
 2,342 (-3.5%)
Intel Core i3-3220 @ 3.30GHz vs AMD Phenom II X4 840
 2,275 (-6.3%)

Is the AMD Phenom II X4 840 Good for Gaming?
As of 29th of April 2025 - Higher results represent better performance
Processor Relative Gaming Score
AMD Ryzen 9 9900X3D
 12,361
AMD Ryzen 7 9800X3D
 12,167
AMD Ryzen 9 9950X3D
 11,303
AMD Ryzen 9 7900X3D
 10,844
Intel Core Ultra 9 285K
 10,609
AMD Ryzen 5 7600X3D
 10,513
AMD Ryzen 7 7800X3D
 10,290
AMD Ryzen 9 7950X3D
 9,813
Intel Core Ultra 5 245K
 9,688
Intel Core Ultra 7 265K
 9,534
Intel Core Ultra 7 265KF
 9,425
Intel Core Ultra 5 235
 9,295
AMD Phenom II X4 840
 259