AMD Ryzen 9 3900X vs AMD Ryzen 7 1800X

VS
Performance
Ryzen 9 3900X37% better
18,93251% of 36,991
Ryzen 7 1800X
13,78237% of 36,991

The Ryzen 9 3900X has 37% better performance than the Ryzen 7 1800X for the 3DMark 11 Performance Physics benchmark.

Performance per dollar
Ryzen 9 3900X37% better
37.9431% of 121.53
Ryzen 7 1800X
27.6223% of 121.53

The Ryzen 9 3900X has 37% better value for the money than the Ryzen 7 1800X 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 7 1800X CPU

The AMD Ryzen 7 1800X is a 8-core (16-thread) processor built for the desktop CPU market. It launched in Q1 2017 with a suggested retail price of $499. It is part of AMD's Ryzen 7 lineup, which is based on the Zen microarchitecture. The 1800X is compatible with AMD Socket AM4 motherboards and is fabricated on GlobalFoundries's 14 nm manufacturing process.

Memory and Cache

The Ryzen 7 1800X 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 1800X has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 96 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 16 MB.

Cores and Clock Speeds

The Ryzen 7 1800X 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 4.0 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 1800X 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 1800X has the 160th best 3DMark 11 Performance Physics score among the 721 benchmarked CPUs in our database. It achieves 37.26% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D. Its 13,782 score and $499 launch price (MSRP) gives it a performance per dollar of 27.62. This is the 131st 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 7 1800X
ManufacturerAMDAMD
SeriesRyzen 9Ryzen 7
Market SegmentDesktopDesktop
Release DateQ3 2019Q1 2017
Launch Price (MSRP)$499$499
Production StatusActiveActive
ShopCheck PriceCheck Price

Benchmark Performance

#
Performance
Ryzen 9 3900X37% better
18,93251% of 36,991
Ryzen 7 1800X
13,78237% of 36,991

The Ryzen 9 3900X has 37% better performance than the Ryzen 7 1800X for the 3DMark 11 Performance Physics benchmark.

The Ryzen 9 3900X is ranked 80th with a score of 18,932, and the Ryzen 7 1800X is ranked 160th with a score of 13,782.

Performance per dollar
Ryzen 9 3900X37% better
37.9431% of 121.53
Ryzen 7 1800X
27.6223% of 121.53

The Ryzen 9 3900X has 37% better value for the money than the Ryzen 7 1800X 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 7 1800X is ranked 131st with a performance per dollar of 27.62.

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 i5-12400F19,436+3%
Core i9-9980XE19,237+2%
Ryzen 9 3900X18,932
Ryzen 7 3800XT18,905-0%
Core i9-9900KS18,694-1%
Ryzen 7 270013,959-26%
Core i7-970013,939-26%
Ryzen 7 1800X13,782-27%
Core i7-870013,310-30%
Ryzen 3 3300X12,952-32%

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
Ryzen 9 5900X38.33+1%
Core i7-9700K38.07+0%
Ryzen 9 3900X37.94
Core i9-9900KS36.44-4%
Core i9-9900K35.38-7%
Core i7-479029.27-23%
Core i7-4790S27.7-27%
Ryzen 7 1800X27.62-27%
Core i7-5775C27.26-28%
Core i7-8086K27.19-28%

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 7 1800X
3DMark 11 Performance Physics
18,932
(+37.37%)
13,782
3DMark Time Spy CPU
11,923
(+48.98%)
8,003
Cinebench R15 Multi-Core
3,049
(+88.44%)
1,618
Cinebench R15 Single-Core
207
(+28.73%)
160.8
Geekbench 6.2 Multi-Core
9,950
(+75.83%)
5,659
Geekbench 6.2 Single-Core
1,710
(+50.26%)
1,138
CPU Mark Multi-Thread
32,647
(+99.33%)
16,378
CPU Mark Single-Thread
2,706
(+23.11%)
2,198
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 7 1800X
ManufacturerAMDAMD
FoundryTSMCGlobalFoundries
Process Size7 nm14 nm
Transistors7,600 million4,800 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 3900XRyzen 7 1800X
SeriesRyzen 9Ryzen 7
MicroarchitectureZen 2Zen
CodenameMatisseZen
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 7 1800X
Cores128
Threads2416
Clock Speed3.8 GHz3.6 GHz
Turbo Clock4.6 GHz4.0 GHz
Base Clock100 MHz100 MHz
Multiplier38.0x36.0x
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 3900XRyzen 7 1800X
L1 Cache64 KB96 KB
L2 Cache512 KB512 KB
L3 Cache64 MB16 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 7 1800X
SocketAMD Socket AM4AMD Socket AM4
PCI ExpressPCIe 4.0 x24PCIe 3.0 x16
Thermal Design Power (TDP)105 W95 W
Package Power Tracking (PPT)142 W--
Tcase Max95 °C--
TJ Max--95 °C

Graphics, Features, & Extensions

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

SpecRyzen 9 3900XRyzen 7 1800X
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, XFR

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