AMD Ryzen 9 3900X vs AMD Ryzen 9 5900X

VS
Performance
Ryzen 9 3900X
18,93251% of 36,991
Ryzen 9 5900X11% better
21,043.557% of 36,991

The Ryzen 9 5900X has 11% better performance than the Ryzen 9 3900X for the 3DMark 11 Performance Physics benchmark.

Performance per dollar
Ryzen 9 3900X
37.9431% of 121.53
Ryzen 9 5900X1% better
38.3332% of 121.53

The Ryzen 9 5900X has 1% better value for the money than the Ryzen 9 3900X for the 3DMark 11 Performance Physics benchmark.

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Summary

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About the AMD Ryzen 9 3900X CPU

The AMD Ryzen 9 3900X is a 12-core (24-thread) processor built for the desktop CPU market. It launched in Q3 2019 with a suggested retail price of $499. It is part of AMD's Ryzen 9 lineup, which is based on the Zen 2 microarchitecture. The 3900X is compatible with AMD Socket AM4 motherboards and is fabricated on TSMC's 7 nm manufacturing process.

Memory and Cache

The Ryzen 9 3900X supports DDR4 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Ryzen 9 3900X has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 64 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 512 KB, is larger but slower than the L1. Its L3 cache, a shared resource among the CPU's cores, has a capacity of 64 MB.

Cores and Clock Speeds

The Ryzen 9 3900X features 12 total cores which can process 24 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 3.8 GHz, and it can boost up to 4.6 GHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture. The multiplier is unlocked, enabling overclocking for those seeking to push the CPU's performance further.

Integrated Graphics

The Ryzen 9 3900X does not include an integrated graphics solution. A dedicated graphics card will be required if you require a monitor with your computer.

Benchmark Performance & Value

The Ryzen 9 3900X has the 80th best 3DMark 11 Performance Physics score among the 721 benchmarked CPUs in our database. It achieves 51.18% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D. Its 18,932 score and $499 launch price (MSRP) gives it a performance per dollar of 37.94. This is the 86th best in value for the 3DMark 11 Perf. Physics benchmark.

About the AMD Ryzen 9 5900X CPU

The AMD Ryzen 9 5900X is a 12-core (24-thread) processor built for the desktop CPU market. It launched in Q4 2020 with a suggested retail price of $549. It is part of AMD's Ryzen 9 lineup, which is based on the Zen 3 microarchitecture. The 5900X is compatible with AMD Socket AM4 motherboards and is fabricated on TSMC's 7 nm manufacturing process.

Memory and Cache

The Ryzen 9 5900X supports DDR4 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Ryzen 9 5900X has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 64 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 512 KB, is larger but slower than the L1. Its L3 cache, a shared resource among the CPU's cores, has a capacity of 64 MB.

Cores and Clock Speeds

The Ryzen 9 5900X features 12 total cores which can process 24 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 3.7 GHz, and it can boost up to 4.8 GHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture. The multiplier is unlocked, enabling overclocking for those seeking to push the CPU's performance further.

Integrated Graphics

The Ryzen 9 5900X does not include an integrated graphics solution. A dedicated graphics card will be required if you require a monitor with your computer.

Benchmark Performance & Value

The Ryzen 9 5900X has the 62nd best 3DMark 11 Performance Physics score among the 721 benchmarked CPUs in our database. It achieves 56.89% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D. Its 21,043.5 score and $549 launch price (MSRP) gives it a performance per dollar of 38.33. This is the 84th best in value for the 3DMark 11 Perf. Physics benchmark.

General Info

General overview of the CPU, including details like its manufacturer, release date, launch price, and current production status.

InfoRyzen 9 3900XRyzen 9 5900X
ManufacturerAMDAMD
SeriesRyzen 9Ryzen 9
Market SegmentDesktopDesktop
Release DateQ3 2019Q4 2020
Launch Price (MSRP)$499$549
Production StatusActiveActive
ShopCheck PriceCheck Price

Benchmark Performance

#
Performance
Ryzen 9 3900X
18,93251% of 36,991
Ryzen 9 5900X11% better
21,043.557% of 36,991

The Ryzen 9 5900X has 11% better performance than the Ryzen 9 3900X for the 3DMark 11 Performance Physics benchmark.

The Ryzen 9 3900X is ranked 80th with a score of 18,932, and the Ryzen 9 5900X is ranked 62nd with a score of 21,043.5.

Performance per dollar
Ryzen 9 3900X
37.9431% of 121.53
Ryzen 9 5900X1% better
38.3332% of 121.53

The Ryzen 9 5900X has 1% better value for the money than the Ryzen 9 3900X for the 3DMark 11 Performance Physics benchmark.

The Ryzen 9 3900X is ranked 86th with a performance per dollar of 37.94, and the Ryzen 9 5900X is ranked 84th with a performance per dollar of 38.33.

Relative Performance

The average score in the benchmark test can be compared to similar CPUs to assess relative performance. Generally, powerful CPUs tend to have higher scores.

Choose Baseline CPU:Ryzen 9 3900X or
CPUBenchmark Performance
Core i5-1340023,120+22%
Core i9-10900K21,935+16%
Ryzen 9 5900X21,043.5+11%
Ryzen 9 3950X21,016+11%
Core i9-11900K20,662+9%
Core i5-12400F19,436+3%
Core i9-9980XE19,237+2%
Ryzen 9 3900X18,932
Ryzen 7 3800XT18,905-0%
Core i9-9900KS18,694-1%

Relative Value For Money

The average performance per dollar in the benchmark test can be compared to similar CPUs to assess relative value. A higher score implies a better value for your money.

Choose Baseline CPU:Ryzen 9 3900X or
CPUPerformance Per Dollar
Core i7-11700K43.42+14%
Core i7-8700K41.13+8%
Core i9-10900K40.1+6%
Core i9-11900K38.33+1%
Ryzen 9 5900X38.33+1%
Core i7-9700K38.07+0%
Ryzen 9 3900X37.94
Core i9-9900KS36.44-4%
Core i9-9900K35.38-7%
Ryzen 9 390033.67-11%

Benchmark Scores

This table showcases the average performance scores achieved by both CPUs across industry-standard benchmark tests. These scores provide a valuable insight into overall performance. Powerful CPUs tend to have higher scores.

  • Popular
BenchmarkRyzen 9 3900XRyzen 9 5900X
3DMark 11 Performance Physics
18,932
21,043.5
(+11.15%)
3DMark Time Spy CPU
11,923
(+0.08%)
11,913
Cinebench R15 Multi-Core
3,049
(+13.14%)
2,695
Cinebench R15 Single-Core
207
250
(+20.77%)
Geekbench 6.2 Multi-Core
9,950
11,962
(+20.22%)
Geekbench 6.2 Single-Core
1,710
2,209
(+29.18%)
CPU Mark Multi-Thread
32,647
39,167
(+19.97%)
CPU Mark Single-Thread
2,706
3,470
(+28.23%)
Benchmarks Source: Notebookcheck

Technical Specs

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Manufacturing Details

Information about the CPU's manufacturing like its foundry, process size, and transistor count.

SpecRyzen 9 3900XRyzen 9 5900X
ManufacturerAMDAMD
FoundryTSMCTSMC
Process Size7 nm7 nm
Transistors7,600 million8,300 million

Architecture

CPU architecture specs like its memory channels, memory support, and microarchitecture. Newer CPU architectures can minimize bottlenecks and improve execution efficiency using more advanced techniques.

SpecRyzen 9 3900XRyzen 9 5900X
SeriesRyzen 9Ryzen 9
MicroarchitectureZen 2Zen 3
CodenameMatisseVermeer
Memory SupportDDR4DDR4
Memory ChannelsDual-channelDual-channel
ECC MemoryNoYes

Cores & Clock Speeds

Processing power information like its cores and clock speed. These specs impact how fast they can handle instructions and tasks. These have a strong impact on the CPU's performance.

SpecRyzen 9 3900XRyzen 9 5900X
Cores1212
Threads2424
Clock Speed3.8 GHz3.7 GHz
Turbo Clock4.6 GHz4.8 GHz
Base Clock100 MHz100 MHz
Multiplier38.0x37.0x
Multiplier UnlockedYesYes

Cache

CPU cache specs like its L1 & L2 cache. These provide the CPU with a small, but super-fast memory access. A larger cache can improve a CPU's performance.

SpecRyzen 9 3900XRyzen 9 5900X
L1 Cache64 KB64 KB
L2 Cache512 KB512 KB
L3 Cache64 MB64 MB

Compatibility & Power Consumption

Compatibility and power consumption information like its socket type, thermal design power, power limits. These can help verify the CPU's compatibility with other PC components.

SpecRyzen 9 3900XRyzen 9 5900X
SocketAMD Socket AM4AMD Socket AM4
PCI ExpressPCIe 4.0 x24PCIe 4.0
Thermal Design Power (TDP)105 W105 W
Package Power Tracking (PPT)142 W142 W
Tcase Max95 °C95 °C

Graphics, Features, & Extensions

Additional CPU features like its bundled coolers, integrated graphics, and extensions/technologies.

SpecRyzen 9 3900XRyzen 9 5900X
Extensions / TechnologiesMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2, XFR 2MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2, XFR 2

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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance Physics benchmark and MSRP.