Athlon II X4 638 vs Ryzen 5 1400

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Aggregate performance score

Ryzen 5 1400
2017
4 cores / 8 threads, 65 Watt
5.07
+245%

Ryzen 5 1400 outperforms Athlon II X4 638 by a whopping 245% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 5 1400 and Athlon II X4 638 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking12272186
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.80no data
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 5no data
Power efficiency7.112.06
Architecture codenameZen (2017−2020)Llano (2011−2012)
Release date16 March 2017 (7 years ago)6 February 2012 (12 years ago)
Launch price (MSRP)$169no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 5 1400 and Athlon II X4 638 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)4 (Quad-Core)
Threads84
Base clock speed3.2 GHz2.7 GHz
Boost clock speed3.2 GHz2.7 GHz
Bus rate4 × 8 GT/sno data
Multiplier32no data
L1 cache384 KB128 KB (per core)
L2 cache2 MB1 MB (per core)
L3 cache8 MB (shared)0 KB
Chip lithography14 nm32 nm
Die size213 mm2228 mm2
Number of transistors4800 Million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Ryzen 5 1400 and Athlon II X4 638 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 configuration1 (Uniprocessor)1
SocketAM4FM1
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 1400 and Athlon II X4 638. You'll probably need this information if you require some particular technology.

Instruction set extensionsXFR, FMA3, SSE 4.2, AVX2, SMTno data
AES-NI+-
AVX+-

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 1400 and Athlon II X4 638 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 1400 and Athlon II X4 638. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth42.671 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 1400 and Athlon II X4 638.

PCIe version3.0no data
PCI Express lanes20no data

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.

Ryzen 5 1400 5.07
+245%
Athlon II X4 638 1.47

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.

Ryzen 5 1400 7753
+245%
Athlon II X4 638 2250

Gaming performance

Pros & cons summary


Performance score 5.07 1.47
Recency 16 March 2017 6 February 2012
Threads 8 4
Chip lithography 14 nm 32 nm

Ryzen 5 1400 has a 244.9% higher aggregate performance score, an age advantage of 5 years, 100% more threads, and a 128.6% more advanced lithography process.

The Ryzen 5 1400 is our recommended choice as it beats the Athlon II X4 638 in performance tests.


Should you still have questions on choice between Ryzen 5 1400 and Athlon II X4 638, ask them in Comments section, and we shall answer.

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AMD Ryzen 5 1400
Ryzen 5 1400
AMD Athlon II X4 638
Athlon II X4 638

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.


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Questions & comments

Here you can ask a question about Ryzen 5 1400 or Athlon II X4 638, agree or disagree with our judgements, or report an error or mismatch.