Ryzen 7 5700X vs Phenom II X4 840

#ad 
Buy on Amazon
VS

Aggregate performance score

Phenom II X4 840
2011
4 cores / 4 threads, 95 Watt
1.55
Ryzen 7 5700X
2022
8 cores / 16 threads, 65 Watt
17.24
+1012%

Ryzen 7 5700X outperforms Phenom II X4 840 by a whopping 1012% based on our aggregate benchmark results.

Primary details

Comparing Phenom II X4 840 and Ryzen 7 5700X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking2095367
Place by popularitynot in top-10029
Cost-effectiveness evaluation3.0840.79
Market segmentDesktop processorDesktop processor
Architecture codenamePropus (2009−2011)Vermeer (Zen 3) (2020−2022)
Release date4 January 2011 (13 years ago)4 April 2022 (2 years ago)
Launch price (MSRP)$90$299

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 7 5700X has 1224% better value for money than Phenom II X4 840.

Detailed specifications

Phenom II X4 840 and Ryzen 7 5700X basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)8 (Octa-Core)
Threads416
Base clock speed3.2 GHz3.4 GHz
Boost clock speed3.2 GHz4.6 GHz
L1 cache128 KB (per core)512 KB
L2 cache512 KB (per core)4 MB
L3 cache0 KB32 MB
Chip lithography45 nm7 nm
Die size169 mm22 x 74 sq. mm; I/O = 125 sq. mm mm2
Maximum core temperatureno data90 °C
Maximum case temperature (TCase)no data95 °C
Number of transistors300 million4,150 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Phenom II X4 840 and Ryzen 7 5700X compatibility with other computer components: 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 configuration11
SocketAM31331
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 840 and Ryzen 7 5700X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2
AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 840 and Ryzen 7 5700X are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 840 and Ryzen 7 5700X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-3200

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 840 and Ryzen 7 5700X.

PCIe version2.04.0
PCI Express lanesno data20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score 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 840 1.55
Ryzen 7 5700X 17.24
+1012%

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.

Phenom II X4 840 2399
Ryzen 7 5700X 26672
+1012%

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.

Phenom II X4 840 333
Ryzen 7 5700X 2144
+544%

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.

Phenom II X4 840 863
Ryzen 7 5700X 9721
+1026%

Gaming performance

Pros & cons summary


Performance score 1.55 17.24
Recency 4 January 2011 4 April 2022
Physical cores 4 8
Threads 4 16
Chip lithography 45 nm 7 nm
Power consumption (TDP) 95 Watt 65 Watt

Ryzen 7 5700X has a 1012.3% higher aggregate performance score, an age advantage of 11 years, 100% more physical cores and 300% more threads, a 542.9% more advanced lithography process, and 46.2% lower power consumption.

The Ryzen 7 5700X is our recommended choice as it beats the Phenom II X4 840 in performance tests.


Should you still have questions on choice between Phenom II X4 840 and Ryzen 7 5700X, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Phenom II X4 840
Phenom II X4 840
AMD Ryzen 7 5700X
Ryzen 7 5700X

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.9 245 votes

Rate Phenom II X4 840 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.5 6417 votes

Rate Ryzen 7 5700X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Phenom II X4 840 or Ryzen 7 5700X, agree or disagree with our judgements, or report an error or mismatch.