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AMD Ryzen 9 3900 vs AMD Ryzen 7 3700X

AMD
VS
AMD
Performance
Ryzen 9 3900
16,80345% of 36,991
Ryzen 7 3700X9% better
18,283.549% of 36,991

The Ryzen 7 3700X has 9% better performance than the Ryzen 9 3900 for the 3DMark 11 Performance Physics benchmark.

Performance per dollar
Ryzen 9 3900
33.6728% of 121.53
Ryzen 7 3700X65% better
55.5746% of 121.53

The Ryzen 7 3700X has 65% better value for the money than the Ryzen 9 3900 for the 3DMark 11 Performance Physics benchmark.

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Summary

#

About the AMD Ryzen 9 3900 CPU

The AMD Ryzen 9 3900 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 3900 is compatible with AMD Socket AM4 motherboards and is fabricated on TSMC's 7 nm manufacturing process.

Memory and Cache

The Ryzen 9 3900 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 3900 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 3900 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 3.1 GHz, and it can boost up to 4.3 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 3900 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 3900 has the 107th best 3DMark 11 Performance Physics score among the 720 benchmarked CPUs in our database. It achieves 45.42% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D. Its 16,803 score and $499 launch price (MSRP) gives it a performance per dollar of 33.67. This is the 108th best in value for the 3DMark 11 Perf. Physics benchmark.

About the AMD Ryzen 7 3700X CPU

The AMD Ryzen 7 3700X is a 8-core (16-thread) processor built for the desktop CPU market. It launched in Q3 2019 with a suggested retail price of $329. It is part of AMD's Ryzen 7 lineup, which is based on the Zen 2 microarchitecture. The 3700X is compatible with AMD Socket AM4 motherboards and is fabricated on TSMC's 7 nm manufacturing process.

Memory and Cache

The Ryzen 7 3700X supports DDR4 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Ryzen 7 3700X 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 32 MB.

Cores and Clock Speeds

The Ryzen 7 3700X features 8 total cores which can process 16 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 3.6 GHz, and it can boost up to 4.4 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 7 3700X 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 7 3700X has the 89th best 3DMark 11 Performance Physics score among the 720 benchmarked CPUs in our database. It achieves 49.43% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D. Its 18,283.5 score and $329 launch price (MSRP) gives it a performance per dollar of 55.57. This is the 35th 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 3900Ryzen 7 3700X
ManufacturerAMDAMD
SeriesRyzen 9Ryzen 7
Market SegmentDesktopDesktop
Release DateQ3 2019Q3 2019
Launch Price (MSRP)$499$329
Production StatusActiveActive
ShopCheck PriceCheck Price

Benchmark Performance

#
Performance
Ryzen 9 3900
16,80345% of 36,991
Ryzen 7 3700X9% better
18,283.549% of 36,991

The Ryzen 7 3700X has 9% better performance than the Ryzen 9 3900 for the 3DMark 11 Performance Physics benchmark.

The Ryzen 9 3900 is ranked 107th with a score of 16,803, and the Ryzen 7 3700X is ranked 89th with a score of 18,283.5.

Performance per dollar
Ryzen 9 3900
33.6728% of 121.53
Ryzen 7 3700X65% better
55.5746% of 121.53

The Ryzen 7 3700X has 65% better value for the money than the Ryzen 9 3900 for the 3DMark 11 Performance Physics benchmark.

The Ryzen 9 3900 is ranked 108th with a performance per dollar of 33.67, and the Ryzen 7 3700X is ranked 35th with a performance per dollar of 55.57.

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 3900 or
CPUBenchmark Performance
Ryzen 7 3800XT18,905+13%
Core i9-9900KS18,694+11%
Ryzen 7 3700X18,283.5+9%
Core i7-1170018,083+8%
Ryzen Threadripper 1950X17,834+6%
Core i7-11700K17,324+3%
Core i9-9900K17,264+3%
Ryzen 9 390016,803
Ryzen 5 5600G16,538-2%
Core i7-6950X16,403-2%

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 3900 or
CPUPerformance Per Dollar
Ryzen 7 5800X3D60.66+80%
Core i7-1170055.98+66%
Ryzen 7 3700X55.57+65%
Ryzen 7 5800X52.79+57%
Ryzen 5 2600X52.72+57%
Core i9-9900KS36.44+8%
Core i9-9900K35.38+5%
Ryzen 9 390033.67
Core i9-11900KB33.03-2%
Ryzen 9 3950X28.06-17%

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 3900Ryzen 7 3700X
3DMark 11 Performance Physics
16,803
18,283.5
(+8.81%)
3DMark Time Spy CPU
10,725
(+7.86%)
9,943.5
Cinebench R15 Multi-Core
2,804
(+34.03%)
2,092
Cinebench R15 Single-Core
197
204
(+3.55%)
Geekbench 6.2 Multi-Core
9,527
(+17.57%)
8,103
Geekbench 6.2 Single-Core
1,652
1,672
(+1.21%)
CPU Mark Multi-Thread
30,822
(+36.59%)
22,565
CPU Mark Single-Thread
2,619
2,661
(+1.6%)
Benchmarks Source: Notebookcheck

Technical Specs

#

Manufacturing Details

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

SpecRyzen 9 3900Ryzen 7 3700X
ManufacturerAMDAMD
FoundryTSMCTSMC
Process Size7 nm7 nm
Transistors7,600 million3,800 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 3900Ryzen 7 3700X
SeriesRyzen 9Ryzen 7
MicroarchitectureZen 2Zen 2
CodenameMatisseMatisse
Memory SupportDDR4DDR4
Memory ChannelsDual-channelDual-channel
ECC MemoryNoNo

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 3900Ryzen 7 3700X
Cores128
Threads2416
Clock Speed3.1 GHz3.6 GHz
Turbo Clock4.3 GHz4.4 GHz
Base Clock100 MHz100 MHz
Multiplier31.0x36.0x
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 3900Ryzen 7 3700X
L1 Cache64 KB64 KB
L2 Cache512 KB512 KB
L3 Cache64 MB32 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 3900Ryzen 7 3700X
SocketAMD Socket AM4AMD Socket AM4
PCI ExpressPCIe 4.0 x24PCIe 4.0 x24
Thermal Design Power (TDP)65 W65 W
Package Power Tracking (PPT)88 W88 W
Tcase Max--95 °C
TJ Max95 °C--

Graphics, Features, & Extensions

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

SpecRyzen 9 3900Ryzen 7 3700X
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.