Ryzen 9 3900XT

Details and Benchmarks for AMD Ryzen 9 3900XT

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Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Ryzen 9 3900XT based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

6,280 Rank: 158
Rank Name Score Visual
154 Xeon E-2386G 6,289
+0.1%
155 Xeon Gold 6426Y 6,288
+0.1%
156 Ryzen 7 5800X3D 6,284
+0.1%
157 Core Ultra 7 256V 6,281
+0%
158 Ryzen 9 3900XT 6,280
159 Core Ultra 7 258V 6,270
-0.2%
160 Core i9-9900 6,266
-0.2%
161 Xeon W-1350P 6,262
-0.3%
162 EPYC 7402P 6,261
-0.3%
163 Core i9-10900K 6,261
-0.3%

View full ranking →

Multicore Score

Multicore performance score for Ryzen 9 3900XT based on multi-threaded benchmark results.

6,221 Rank: 204
Rank Name Score Visual
200 EPYC 7282 6,240
+0.3%
201 Xeon E-2226G 6,239
+0.3%
202 Xeon E5-2682 v4 6,237
+0.3%
203 Ryzen Threadripper 1920X 6,226
+0.1%
204 Ryzen 9 3900XT 6,221
205 Ryzen 7 8845HS 6,195
-0.4%
206 Ryzen 7 7840HS 6,173
-0.8%
207 Ryzen 9 PRO 5945 6,173
-0.8%
208 Core i9-11900K 6,171
-0.8%
209 EPYC 7352 6,162
-0.9%

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Singlecore Score

Single-core performance score for Ryzen 9 3900XT based on single-threaded benchmark results.

6,320 Rank: 171
Rank Name Score Visual
167 Ryzen 7 8840HS 6,326
+0.1%
168 Ryzen 7 PRO 5750G 6,324
+0.1%
169 Ryzen 7 PRO 6850HS 6,323
+0%
170 Ryzen 7 5700G 6,322
+0%
171 Ryzen 9 3900XT 6,320
172 Core i7-9700KF 6,317
+-0%
173 Ryzen 7 5700 6,314
-0.1%
174 Core i9-11900F 6,311
-0.1%
175 Core i3-7350K 6,306
-0.2%
176 Core i9-9960X 6,304
-0.3%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Ryzen 9 3900XT based on integer math, floating point math, and prime number computation benchmarks.

5,678 Rank: 142
Rank Name Score Visual
138 Ryzen 5 9600X 5,697
+0.3%
139 Ryzen AI 9 HX 375 5,691
+0.2%
140 Ryzen 7 PRO 7745 5,683
+0.1%
141 Ryzen 9 3900X 5,678
+0%
142 Ryzen 9 3900XT 5,678
143 Core i9-10980XE 5,677
+-0%
144 Ryzen 9 PRO 3900 5,674
-0.1%
145 Ryzen AI 9 HX 370 5,672
-0.1%
146 Core i9-9980XE 5,665
-0.2%
147 Xeon Platinum 8160 5,649
-0.5%

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Data Processing

Aggregated score for Ryzen 9 3900XT based on data encryption, data compression, and string sorting benchmarks.

5,875 Rank: 127
Rank Name Score Visual
123 EPYC 7282 5,940
+1.1%
124 Ryzen Threadripper PRO 3945WX 5,906
+0.5%
125 Core i5-13600K 5,897
+0.4%
126 Ryzen AI Max 390 5,894
+0.3%
127 Ryzen 9 3900XT 5,875
128 Core i9-10980XE 5,874
+-0%
129 Ryzen 9 3900X 5,872
-0.1%
130 Core i9-9980XE 5,869
-0.1%
131 Xeon Gold 6426Y 5,853
-0.4%
132 EPYC 7351P 5,852
-0.4%

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Physics & Compute

Aggregated score for Ryzen 9 3900XT based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

5,595 Rank: 163
Rank Name Score Visual
159 EPYC 7262 5,612
+0.3%
160 Xeon Platinum 8124M 5,607
+0.2%
161 Core i9-12900F 5,607
+0.2%
162 Xeon Silver 4410Y 5,601
+0.1%
163 Ryzen 9 3900XT 5,595
164 Xeon Silver 4314 5,586
-0.2%
165 Xeon W-2191B 5,582
-0.2%
166 Ryzen 7 7745HX 5,581
-0.3%
167 Xeon Gold 6152 5,571
-0.4%
168 Xeon Gold 6142M 5,569
-0.5%

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Ryzen 9 3900XT Details

As of March 2026, the AMD Ryzen 9 3900XT remains a compelling high-end desktop processor, particularly for users who prioritize multi-threaded performance and value. With an Overall Score of 6,280, it ranks #158 among 2,060 processors, placing it firmly in the upper tier of consumer CPUs. Its multicore performance, scoring 6,221 and ranking #204, highlights its strength in parallel workloads such as content creation, rendering, and virtualization. However, the single-core performance of 6,320, ranking #171, suggests that while capable, it is not a top-tier performer in tasks dependent on raw per-core speed.

The Ryzen 9 3900XT is built on AMD's Zen 2 architecture, fabricated on a 7 nm process by TSMC, and features a base clock of 3.9 GHz with a boost frequency reaching up to 4.7 GHz. It is a 12-core, 24-thread processor, thanks to Simultaneous Multithreading (SMT), which significantly enhances its ability to handle multi-threaded applications. The chip includes 64 MB of L3 cache, contributing to its strong performance in memory-intensive workloads. It is packaged in the FCBGA1440 socket, though it is designed for Socket AM4 motherboards, and operates at a TDP of 105 W, requiring robust cooling solutions.

The processor supports DDR4-2933 memory across a dual-channel interface, with a maximum memory bandwidth of 45.8 GB/s. It also supports up to 128 GB of system memory and includes PCIe 4.0 with 24 lanes, enabling high-speed connectivity for modern storage and expansion cards. Despite its robust feature set, the Ryzen 9 3900XT lacks integrated graphics, making a discrete GPU mandatory for any display output.

Notable features include support for advanced instruction sets such as AVX, AVX2, and BMI2, along with hardware virtualization technologies like AMD-V and EPT, which enhance virtual machine performance. The unlocked multiplier allows for easy overclocking, appealing to enthusiasts and power users. While it has been superseded by newer Ryzen 7000 and 9000 series processors, the 3900XT still holds its own in workloads that benefit from high core counts and strong multi-threaded scaling.

In comparison to its contemporaries, the Ryzen 9 3900XT is outpaced in single-core performance by newer Intel Core Ultra and AMD Ryzen 9 9000-series processors, but it remains competitive in multicore performance. It ranks just behind the Ryzen 7 5700G and Ryzen 7 8840HS in single-core scores but outperforms many mainstream CPUs in multi-threaded benchmarks. For users seeking a powerful, multi-core processor without the need for cutting-edge single-core performance, the Ryzen 9 3900XT remains a solid choice, especially in cost-sensitive builds where top-tier performance is not the primary requirement.
Frequently Compared

Intel Xeon X5660 7 views

AMD Ryzen 5 3600 5 views

AMD Ryzen 5 3500X 5 views

AMD Ryzen 9 PRO 3900 4 views

AMD Ryzen Threadripper 2950X 4 views

AMD Phenom II X3 710 3 views

AMD Ryzen Threadripper 1950X 3 views

Intel Celeron G530 3 views

AMD A10-4600M 3 views

Intel Xeon W3505 2 views

AMD Ryzen 9 3900XT

Main Specifications

Designer: AMD
Name: Ryzen 9 3900XT
Model Number: i9-10980HK
Cores: 8
Threads: 16
Base Frequency: 2400 MHz
Clock Multiplier: 39x (unlocked)
Core Name: Matisse 2
Socket: FCBGA1440
Package: µOPGA-1331
Target Segment: Desktop
Max CPUs: 1
TDP: 45 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.488 MiB

Memory Specifications

Supported Memory Type: DDR4-2933
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 45.8 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 3
PCIe Lanes: 16
PCIe Configuration: Up to 1x16, 2x8, 1x8+2x4

Integrated Graphics

GPU: UHD Graphics
GPU Designer: Intel
GPU Max Frequency: 1250 MHz

Physical Specifications

Process: 14 nm
Die Area: 74 mm²
Manufacturer: TSMC
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 BMI1 BMI2 FMA3 AES F16C x86-64 HT EIST TXT VT-x VT-d EPT Secure Key SMEP SIPP IPT SSE4a SHA AMD-V SMT XFR 2 Flex Memory
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