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 ...]

Compare List
Add other CPU:

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: 26.67

Overall Rank:
2878th fastest in multithreading out of 5812 CPUs
2775th fastest in single threading out of 5812 CPUs
787th fastest in out of 1557 Desktop CPUs

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

Average CPU Mark rating

Multithread Rating

3332

Single Thread Rating

1478

Samples: 271*
*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	19,593 MOps/Sec
Floating Point Math	5,451 MOps/Sec
Find Prime Numbers	13 Million Primes/Sec
Random String Sorting	6,322 Thousand Strings/Sec
Data Encryption	934.6 MBytes/Sec
Data Compression	56,071 KBytes/Sec
Physics	235 Frames/Sec
Extended Instructions	2,048 Million Matrices/Sec
Single Thread	1,478 MOps/Sec

From submitted results to PerformanceTest V10 as of 9th of March 2026.

CPU Mark Distribution for AMD Athlon X4 840

Submitted Baseline Distribution Graph as of 4th of March 2026

From submitted results since PerformanceTest V10 as of 4th of March 2026.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

Search for AMD Athlon X4 840
from the Featured Merchants below:

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 9th of March 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i9-14900K		58,419
Intel Core i9-13900K		58,257
AMD Ryzen 9 5900X		38,937
Apple M4 10 Core		23,682
AMD Ryzen 5 5600X		21,844
Intel Core i5-12400F		19,590
Intel Core i9-9900K @ 3.60GHz		18,075
AMD Ryzen 5 3600		17,677
Apple M2 8 Core 3500 MHz		15,644
Apple M1 8 Core 3200 MHz		14,130
AMD Athlon X4 840		3,332

CPU Value (CPU Mark / $Price )
As of 9th of March 2026 - Higher results represent better value
Processor	CPU Mark / $Price
AMD Ryzen 5 5600X		145.64
AMD Ryzen 9 5900X		134.70
Intel Core i5-12400F		130.48
Intel Core i9-14900K		124.56
AMD Ryzen 5 3600		117.85
Intel Core i9-13900K		107.89
Intel Core i9-9900K @ 3.60GHz		60.54
AMD Athlon X4 840		26.67
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M4 10 Core		NA

Single Thread Rating
As of 9th of March 2026 - Higher results represent better performance
Processor	Average Thread Rating
Intel Core i9-14900K		4,693
Intel Core i9-13900K		4,600
Apple M4 10 Core		4,514
Apple M2 8 Core 3500 MHz		3,886
Apple M1 8 Core 3200 MHz		3,675
Intel Core i5-12400F		3,489
AMD Ryzen 9 5900X		3,467
AMD Ryzen 5 5600X		3,365
Intel Core i9-9900K @ 3.60GHz		2,913
AMD Ryzen 5 3600		2,560
AMD Athlon X4 840		1,478

Last 5 Baselines for AMD Athlon X4 840
Most recent listed first
Baseline	CPU Mark
BL3216231 - Jan 15 2026		3480
BL3209276 - Jan 13 2026		3267
BL3204512 - Jan 11 2026		3039
BL3182247 - Jan 02 2026		3490
BL3116245 - Dec 08 2025		3502

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

Popular comparisons for AMD Athlon X4 840
As of 9th of March 2026 - Higher results represent better performance
Processor	Average CPU Mark
AMD Athlon X4 840		3,332
Intel Core i3-4170 @ 3.70GHz vs AMD Athlon X4 840		3,577 (+7.4%)
AMD A10 PRO-7850B APU vs AMD Athlon X4 840		3,441 (+3.3%)
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		4,065 (+22.0%)
Intel Core i5-2400 @ 3.10GHz vs AMD Athlon X4 840		3,860 (+15.8%)
AMD Athlon X4 860K vs AMD Athlon X4 840		3,419 (+2.6%)
AMD A10-7700K APU vs AMD Athlon X4 840		3,183 (-4.5%)
Intel Core i5-760 @ 2.80GHz vs AMD Athlon X4 840		2,676 (-19.7%)
Intel Core i3-6300T @ 3.30GHz vs AMD Athlon X4 840		3,985 (+19.6%)
Intel Pentium G4600 @ 3.60GHz vs AMD Athlon X4 840		3,631 (+9.0%)
AMD Athlon X4 880K vs AMD Athlon X4 840		3,630 (+8.9%)
Intel Core i3-4350 @ 3.60GHz vs AMD Athlon X4 840		3,613 (+8.4%)

Is the AMD Athlon X4 840 Good for Gaming?
As of 9th of March 2026 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9900X3D		12,427
AMD Ryzen 7 9800X3D		12,123
AMD Ryzen 9 9950X3D		11,263
Intel Core Ultra 7 270K Plus		10,695
AMD Ryzen 5 7600X3D		10,524
AMD Ryzen 9 7900X3D		10,388
Intel Core Ultra 9 285K		10,374
Intel Core Ultra 9 290K Plus		10,291
AMD Ryzen 7 7800X3D		10,257
AMD Ryzen 5 7500X3D		10,172
AMD Ryzen 9 9955HX3D		9,795
Intel Core Ultra 7 265K		9,445
AMD Athlon X4 840		460

CPU Benchmarks

CPU Benchmarks

AMD Athlon X4 840

Add CPUs to start comparisons

CPU Test Suite Average Results for AMD Athlon X4 840

CPU Mark Distribution for AMD Athlon X4 840

Pricing History