Ryzen 7 5800U vs Ryzen 7 3800XT

VS

Aggregate performance score

Ryzen 7 3800XT
2020
8 cores / 16 threads, 105 Watt
14.86
+28.3%
Ryzen 7 5800U
2021
8 cores / 16 threads, 15 Watt
11.58

Ryzen 7 3800XT outperforms Ryzen 7 5800U by a significant 28% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 3800XT and Ryzen 7 5800U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking472667
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation19.93no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 7AMD Cezanne (Zen 3, Ryzen 5000)
Power efficiency13.3973.06
Architecture codenameMatisse (Zen 2) (2019−2020)Cezanne-U (Zen 3) (2021)
Release date7 July 2020 (4 years ago)12 January 2021 (3 years ago)
Launch price (MSRP)$399no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 3800XT and Ryzen 7 5800U 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 cores8 (Octa-Core)8 (Octa-Core)
Threads1616
Base clock speed3.8 GHz1.9 GHz
Boost clock speed4.7 GHz4.4 GHz
Multiplierno data19
L1 cache96K (per core)64K (per core)
L2 cache512K (per core)512K (per core)
L3 cache32 MB16 MB (shared)
Chip lithography7 nm, 12 nm7 nm
Die size74 mm2180 mm2
Maximum core temperature95 °C105 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors3,800 million10,700 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Ryzen 7 3800XT and Ryzen 7 5800U 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
SocketAM4FP6
Power consumption (TDP)105 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 3800XT and Ryzen 7 5800U. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SMEMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA++
AVX++
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 3800XT and Ryzen 7 5800U are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 3800XT and Ryzen 7 5800U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-AMD Radeon RX Vega 8 (Ryzen 4000/5000)

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 3800XT and Ryzen 7 5800U.

PCIe version4.03.0
PCI Express lanesno data8

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 7 3800XT 14.86
+28.3%
Ryzen 7 5800U 11.58

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 7 3800XT 23601
+28.3%
Ryzen 7 5800U 18400

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.

Ryzen 7 3800XT 1768
+2.4%
Ryzen 7 5800U 1726

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.

Ryzen 7 3800XT 8541
+25.5%
Ryzen 7 5800U 6805

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Ryzen 7 3800XT 6035
Ryzen 7 5800U 6039
+0.1%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Ryzen 7 3800XT 40528
+51.7%
Ryzen 7 5800U 26711

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Ryzen 7 3800XT 3.74
+9.9%
Ryzen 7 5800U 4.11

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Ryzen 7 3800XT 24
+63.6%
Ryzen 7 5800U 15

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Ryzen 7 3800XT 2230
+38.3%
Ryzen 7 5800U 1613

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Ryzen 7 3800XT 219
Ryzen 7 5800U 229
+4.6%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Ryzen 7 3800XT 2.36
Ryzen 7 5800U 2.7
+14.4%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Ryzen 7 3800XT 119
+47.3%
Ryzen 7 5800U 81

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Ryzen 7 3800XT 271
+17.6%
Ryzen 7 5800U 231

Geekbench 5.5 Multi-Core

Ryzen 7 3800XT 8948
+33.1%
Ryzen 7 5800U 6723

Blender(-)

Ryzen 7 3800XT 223
Ryzen 7 5800U 352
+58%

Geekbench 5.5 Single-Core

Ryzen 7 3800XT 1353
Ryzen 7 5800U 1429
+5.6%

7-Zip Single

Ryzen 7 3800XT 5516
+2.9%
Ryzen 7 5800U 5363

7-Zip

Ryzen 7 3800XT 59247
+39.1%
Ryzen 7 5800U 42604

WebXPRT 3

Ryzen 7 3800XT 249
Ryzen 7 5800U 249

Gaming performance

Pros & cons summary


Performance score 14.86 11.58
Recency 7 July 2020 12 January 2021
Power consumption (TDP) 105 Watt 15 Watt

Ryzen 7 3800XT has a 28.3% higher aggregate performance score.

Ryzen 7 5800U, on the other hand, has an age advantage of 6 months, and 600% lower power consumption.

The Ryzen 7 3800XT is our recommended choice as it beats the Ryzen 7 5800U in performance tests.

Note that Ryzen 7 3800XT is a desktop processor while Ryzen 7 5800U is a notebook one.


Should you still have questions on choice between Ryzen 7 3800XT and Ryzen 7 5800U, 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 Ryzen 7 3800XT
Ryzen 7 3800XT
AMD Ryzen 7 5800U
Ryzen 7 5800U

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.


4.3 306 votes

Rate Ryzen 7 3800XT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 741 vote

Rate Ryzen 7 5800U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 7 3800XT or Ryzen 7 5800U, agree or disagree with our judgements, or report an error or mismatch.