AMD Athlon X4 840

Benchmarks for the AMD Athlon 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 Athlon X4 840 Good for Gaming?

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

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AMD Athlon X4 840

Description:

Class: Desktop

Socket: FM2+

Clockspeed: 3.1 GHz

Turbo Speed: 3.8 GHz

Cores: 4 (in 2 physical modules)

Typical TDP: 65 W

Cache per CPU Package:
L1 Instruction Cache: 4 x 16 KB
L1 Data Cache: 4 x 96 KB
L2 Cache: 4 x 2048 KB

Other names: AMD Athlon(tm) X4 840 Quad Core Processor

CPU First Seen on Charts: Q1 2015

CPUmark/$Price: 26.66

Overall Rank:
2550th fastest in multithreading out of 5157 CPUs
2483rd fastest in single threading out of 5157 CPUs
738th fastest in out of 1449 Desktop CPUs

Last Price Change: $124.95 USD (2021-06-01)

Average CPU Mark rating

Multithread Rating

3332

Single Thread Rating

1483

Samples: 258*
*Margin for error: Low

PerformanceTest V9
CPU Mark: 5,081
Thread: 1,589

CPU Test Suite Average Results for AMD Athlon X4 840

Integer Math	19,612 MOps/Sec
Floating Point Math	5,440 MOps/Sec
Find Prime Numbers	13 Million Primes/Sec
Random String Sorting	6,372 Thousand Strings/Sec
Data Encryption	935.2 MBytes/Sec
Data Compression	56,313 KBytes/Sec
Physics	233 Frames/Sec
Extended Instructions	2,047 Million Matrices/Sec
Single Thread	1,483 MOps/Sec

From submitted results to PerformanceTest V10 as of 22nd of June 2025.

CPU Mark Distribution for AMD Athlon X4 840

Submitted Baseline Distribution Graph as of 17th of June 2025

From submitted results since PerformanceTest V10 as of 17th of June 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

Machines with this CPU (or similar)

shinobee AMD Quad Gaming Computer, Athlon X4 950 4x3.8GHz, 16GB DDR4, Radeon RX 550 4GB GDDR5, 256GB SSD + 500GB HDD, USB 3, Windows 11 Pro #7479

$279.00

(www.amazon.com)

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CPU Mark Relative to Top 10 Common Desktop CPUs
As of 23rd of June 2025 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i9-13900K		58,650
Intel Core i9-12900K		41,296
AMD Ryzen 9 5900X		39,014
Apple M1 Max 10 Core 3200 MHz		22,143
AMD Ryzen 5 5600X		21,861
Intel Core i5-12400F		19,487
Intel Core i9-9900K @ 3.60GHz		18,164
AMD Ryzen 5 3600		17,704
Apple M2 8 Core 3500 MHz		15,654
Apple M1 8 Core 3200 MHz		14,147
AMD Athlon X4 840		3,332

CPU Value (CPU Mark / $Price )
As of 23rd of June 2025 - Higher results represent better value
Processor	CPU Mark / $Price
AMD Ryzen 5 3600		227.00
Intel Core i5-12400F		196.84
AMD Ryzen 9 5900X		162.56
AMD Ryzen 5 5600X		152.87
Intel Core i9-13900K		146.63
Intel Core i9-12900K		142.65
Intel Core i9-9900K @ 3.60GHz		49.23
AMD Athlon X4 840		26.66
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 23rd of June 2025 - Higher results represent better performance
Processor	Average Thread Rating
Intel Core i9-13900K		4,610
Intel Core i9-12900K		4,138
Apple M2 8 Core 3500 MHz		3,900
Apple M1 Max 10 Core 3200 MHz		3,836
Apple M1 8 Core 3200 MHz		3,680
Intel Core i5-12400F		3,477
AMD Ryzen 9 5900X		3,469
AMD Ryzen 5 5600X		3,364
Intel Core i9-9900K @ 3.60GHz		2,921
AMD Ryzen 5 3600		2,563
AMD Athlon X4 840		1,483

Last 5 Baselines for AMD Athlon X4 840
Most recent listed first
Baseline	CPU Mark
BL2682251 - Jun 08 2025		3451
BL2681989 - Jun 08 2025		3531
BL2665439 - Jun 01 2025		3488
BL2648493 - May 24 2025		3388
BL2646312 - May 23 2025		3547

Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.

Popular comparisons for AMD Athlon X4 840
As of 23rd of June 2025 - Higher results represent better performance
Processor	Average CPU Mark
AMD Athlon X4 840		3,332
AMD A10-7850K APU vs AMD Athlon X4 840		3,384 (+1.6%)
AMD A10 PRO-7850B APU vs AMD Athlon X4 840		3,441 (+3.3%)
AMD A10-6800K APU vs AMD Athlon X4 840		3,201 (-3.9%)
AMD Athlon X4 750 Quad Core vs AMD Athlon X4 840		2,751 (-17.4%)
Intel Core i5-4590T @ 2.00GHz vs AMD Athlon X4 840		4,066 (+22.0%)
Intel Core i3-4360 @ 3.70GHz vs AMD Athlon X4 840		3,663 (+10.0%)
Intel Core i3-4130 @ 3.40GHz vs AMD Athlon X4 840		3,330 (0.0%)
AMD A10-7700K APU vs AMD Athlon X4 840		3,184 (-4.4%)
Intel Core i3-6300T @ 3.30GHz vs AMD Athlon X4 840		4,002 (+20.1%)
AMD Athlon X4 880K vs AMD Athlon X4 840		3,664 (+10.0%)
AMD A10-9700 vs AMD Athlon X4 840		3,558 (+6.8%)
AMD A10-7890K vs AMD Athlon X4 840		3,534 (+6.1%)

Is the AMD Athlon X4 840 Good for Gaming?
As of 23rd of June 2025 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9900X3D		12,451
AMD Ryzen 7 9800X3D		12,150
AMD Ryzen 9 9950X3D		11,298
AMD Ryzen 9 7900X3D		10,842
Intel Core Ultra 9 285K		10,587
AMD Ryzen 5 7600X3D		10,483
AMD Ryzen 7 7800X3D		10,276
AMD Ryzen 9 9955HX3D		9,809
AMD Ryzen 9 7950X3D		9,804
Intel Core Ultra 5 245K		9,640
Intel Core Ultra 7 265K		9,528
Intel Core Ultra 9 285		9,517
AMD Athlon X4 840		457

CPU Benchmarks

CPU Benchmarks

AMD Athlon X4 840

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CPU Test Suite Average Results for AMD Athlon X4 840

CPU Mark Distribution for AMD Athlon X4 840

Pricing History

Machines with this CPU (or similar)