Ryzen 9 3900XT vs Ryzen 7 PRO 3700U

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Aggregate performance score

Ryzen 7 PRO 3700U
2019
4 cores / 8 threads, 15 Watt
4.89
Ryzen 9 3900XT
2020
12 cores / 24 threads, 105 Watt
21.40
+338%

Ryzen 9 3900XT outperforms Ryzen 7 PRO 3700U by a whopping 338% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 PRO 3700U and Ryzen 9 3900XT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1247261
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data26.56
Market segmentLaptopDesktop processor
SeriesAMD Ryzen 7AMD Ryzen 9
Power efficiency29.6718.55
Architecture codenamePicasso (2019−2022)Matisse 2 (2020)
Release date8 April 2019 (5 years ago)16 June 2020 (4 years ago)
Launch price (MSRP)no data$499

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 PRO 3700U and Ryzen 9 3900XT 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)12 (Dodeca-Core)
Threads824
Base clock speed2.3 GHz3.8 GHz
Boost clock speed4 GHz4.7 GHz
Bus typePCIe 3.0no data
Multiplier23no data
L1 cache128K (per core)768 KB
L2 cache512K (per core)6 MB
L3 cache4 MB (shared)64 MB
Chip lithography12 nm7 nm, 12 nm
Die size209.78 mm274 mm2
Maximum case temperature (TCase)no data95 °C
Number of transistors4940 Million3,800 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Ryzen 7 PRO 3700U and Ryzen 9 3900XT 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
SocketFP5AM4
Power consumption (TDP)15 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 PRO 3700U and Ryzen 9 3900XT. 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++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 PRO 3700U and Ryzen 9 3900XT are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 PRO 3700U and Ryzen 9 3900XT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR4-3200
Maximum memory size32 GB128 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/s51.196 GB/s
ECC memory support++

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon RX Vega 10-

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 PRO 3700U and Ryzen 9 3900XT.

PCIe version3.04.0
PCI Express lanes12no 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 7 PRO 3700U 4.89
Ryzen 9 3900XT 21.40
+338%

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 PRO 3700U 7471
Ryzen 9 3900XT 32675
+337%

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 PRO 3700U 950
Ryzen 9 3900XT 1745
+83.7%

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 PRO 3700U 3062
Ryzen 9 3900XT 10041
+228%

Gaming performance

Pros & cons summary


Performance score 4.89 21.40
Recency 8 April 2019 16 June 2020
Physical cores 4 12
Threads 8 24
Chip lithography 12 nm 7 nm
Power consumption (TDP) 15 Watt 105 Watt

Ryzen 7 PRO 3700U has 600% lower power consumption.

Ryzen 9 3900XT, on the other hand, has a 337.6% higher aggregate performance score, an age advantage of 1 year, 200% more physical cores and 200% more threads, and a 71.4% more advanced lithography process.

The Ryzen 9 3900XT is our recommended choice as it beats the Ryzen 7 PRO 3700U in performance tests.

Be aware that Ryzen 7 PRO 3700U is a notebook processor while Ryzen 9 3900XT is a desktop one.


Should you still have questions on choice between Ryzen 7 PRO 3700U and Ryzen 9 3900XT, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 PRO 3700U
Ryzen 7 PRO 3700U
AMD Ryzen 9 3900XT
Ryzen 9 3900XT

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Community ratings

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3.6 132 votes

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Questions & comments

Here you can ask a question about Ryzen 7 PRO 3700U or Ryzen 9 3900XT, agree or disagree with our judgements, or report an error or mismatch.