Home > GPU Comparison > RX 7900 XT vs RX 6900 XT – what's better?

AMD Radeon RX 7900 XT vs 6900 XT

Radeon RX 7900 XT
VS
Radeon RX 6900 XT
AMD Radeon RX 7900 XT
Navi 31
AMD Radeon RX 6900 XT
Navi 21

We compared two discrete desktop gaming GPUs: the Radeon RX 7900 XT 20 GB with 5376 shaders against the 3 years older 6900 XT 16 GB that utilizes 5120 shaders. Here you will find complete details about specs, efficiency, performance tests, and more.

  1. Review
  2. Differences
  3. Gaming performance
  4. Benchmarks
  5. AI
  6. Specs
  7. Comments

Review

General comparison of performance in games, applications, power efficiency, and other metrics
Gaming
Performance in DirectX, OpenCL, and Vulkan games
Workstation
Perf. in 3D modeling, video editing and rendering apps
AI/ML
Capabilities for machine learning and AI-related tasks
Energy Efficiency
Power consumption efficiency in different scenarios
NanoReview Final Score
Overall video card score

Value for money (Beta)

We use average GPU prices from all manufacturers by default. Enter the current price of a specific card for better accuracy.
Currency
20 GB GDDR6
VS
16 GB GDDR6
95.3
(Very good)
Value Index
45.2
(Average)

Key differences

Key distinctions and advantages of RX 6900 XT over RX 7900 XT
Reasons to consider the Radeon RX 7900 XT
  • Performs better (up to 23%) in 3DMark Steel Nomad Lite
  • 2.2x higher maximum theoretical performance (51.5 vs 23 TFLOPS)
  • Manufactured using a more efficient 5 nm process technology
  • Shows 17% higher average frame rate in modern games at QHD resolution – 142 vs 121 FPS
  • Includes 4 GB more video memory
  • Has 56% higher memory bandwidth: 800 vs 512 GB/s
  • Achieves 64% more points in the GeekBench 6 Compute test (203K vs 124K)

Gaming Performance

Frame rate comparison across popular AAA titles at different resolutions
GPU
RX 7900 XT
vs
RX 6900 XT

Games

FPS Table
Forza Horizon 5
235
160
141
107
212
139
117
90
The Witcher 3
249
225
160
87
209
186
138
71
Counter-Strike 2
311
222
157
81
296
213
153
81
Far Cry 6
196
168
151
100
173
147
131
83
Hogwarts Legacy
153
124
98
56
129
107
80
46
CoD: Modern Warfare III
228
214
163
108
186
178
128
85
Ghost of Tsushima
150
126
109
69
129
112
92
55
Cyberpunk 2077
181
156
108
49
142
127
86
42
Shadow of the Tomb Raider
271
258
189
101
228
213
161
80
Average FPS by Resolution
1080p High 219 189
1080p Ultra 184 158
1440p Ultra 142 121
4K Ultra 84 70
Margin of Error Low Low

Benchmarks

Graphics cards’ performance in recent benchmarking apps

3D Mark

Multiplatform graphics benchmark suite that directly correlates with performance in modern games
Steel Nomad Lite Score
RX 7900 XT +23%
24675
RX 6900 XT
20093
Time Spy 27106 20817
Solar Bay 105357 86965
Port Royal 14360 10543
Fire Strike 67227 57312
Wild Life Extreme 48410 39345
Night Raid 176232 159536
Sources: 3DMark [1], [2]

GeekBench 6 OpenCL

GPU test for computational tasks (image processing, photography, computer vision, and ML)
GB6 Compute Score
RX 7900 XT +64%
203754
RX 6900 XT
124121
Background Blur 419.8 img/sec 231.6 img/sec
Face Detection 240.5 img/sec 152.5 img/sec
Horizon Detection 8.72 Gpixels/sec 4.26 Gpixels/sec
Edge Detection 12 Gpixels/sec 5.75 Gpixels/sec
Gaussian Blur 9.88 Gpixels/sec 5.87 Gpixels/sec
Feature Matching 1.71 Gpixels/sec 1.12 Gpixels/sec
Stereo Matching 701.7 Gpixels/sec 618.7 Gpixels/sec
Particle Physics 26631.4 FPS 17973.9 FPS
API OpenCL OpenCL
Sources: Geekbench [3], [4]

Cinebench 2024 GPU

Hardware benchmark using Maxon's Cinema 4D rendering engine
Cinebench 2024 GPU
RX 7900 XT +38%
11648
RX 6900 XT
8430

Passmark Graphics

Videocard test that focuses on compute shaders, multi-texturing, tessellation, and other features
G3D Mark Score
RX 7900 XT +9%
29108
RX 6900 XT
26645
G2D Mark 1247 1063
DirectX 11 341 FPS 279 FPS
DirectX 12 112 FPS 111 FPS
GPU Compute 16873 Ops/s 14302 Ops/s
Sources: PassMark [5], [6] – 7088 & 8307 samples

Blender

Rendering performance test for 3D modeling
Blender GPU
RX 7900 XT +43%
3552.41
RX 6900 XT
2492.21
Sources: Blender [9], [10] – 934 & 1261 samples
Add your GPU benchmark result

Recent User Tests

The latest benchmark tests that have been submitted by users
Radeon RX 7900 XT
DateBenchmarkResult
📘 2026-01-01 (Mr Scare)Cinebench 202411648
Add View all (1)
Radeon RX 6900 XT
DateBenchmarkResult
📘 2025-12-04 -> phillybassCinebench 20248430
Add View all (1)

Artificial Intelligence Tests

Performance in machine learning and artificial intelligence tasks

GeekBench 6 ML

Tests throughput of AI operations in single, half, and quantized precision
GB6 ML Single Precision
RX 7900 XT +16%
39099
RX 6900 XT
33651
GB6 ML Half Precision
RX 7900 XT +28%
47298
RX 6900 XT
36994
GB6 ML Quantized
RX 7900 XT +26%
30875
RX 6900 XT
24546
Image Classification (SP) 16951 13868
Image Segmentation (HP) 23234 17467
Image Super Resolution (Q) 41128 32396
Face Detection (HP) 67615 47808
Pose Estimation (Q) 237026 178873
Text Classification (SP) 4961 4358
Machine Translation (HP) 7043 7910
Object Detection (SP) 18737 15394
Depth Estimation (Q) 67746 57351
Style Transfer (SP) 457919 372610
Framework ONNX ONNX
Backend DirectML DirectML
Sources: Geekbench [9], [10]

Specifications

Technical specifications of Radeon RX 7900 XT and 6900 XT

General

Vendor Amd Amd
Build Discrete Discrete
Released December 13, 2023 December 8, 2020
Launch price (MSRP) $899 $999
Case Desktop Desktop
Purpose Gaming Gaming
Segment High-end High-end
Architecture RDNA 3.0 RDNA 2.0
GPU Codename Navi 31 Navi 21
Rival Equivalent - GeForce RTX 4080 - GeForce RTX 4070
Successor - - Radeon RX 7900 XT
Recommended CPU - Intel Core i7 13700K or above - Intel Core i7 12700K or above
Desktop GPU rating (11th and 26th place)

Graphics Processing Unit

Base Clock 1387 MHz 1825 MHz
Boost Clock 2394 MHz 2250 MHz
Shading Units 5376 5120
Texture Mapping Units (TMUs) 336 320
Render Output Units (ROPs) 192 128
Ray-tracing Cores 84 80
L1 Cache 256KB per cluster 128KB per cluster
L2 Cache 6MB shared 4MB shared
Instructions Per Cycle 4 IPC 2 IPC

Raw Performance

Pixel Fill Rate 460 GPixel/s 288 GPixel/s
Texture Fill Rate 804 GTexel/s 720 GTexel/s
FLOPS (FP32)
RX 7900 XT +124%
51.5 TFLOPS
RX 6900 XT
23 TFLOPS
Differences in GPUs' instructions per clock make TFLOPS values not directly comparable.

Physical

Interface PCIe 4.0 x16 PCIe 4.0 x16
TGP 300 W 300 W
Manufacturing TSMC TSMC
Fabrication Process 5 nm 7 nm
Die Size 529 mm² 520 mm²
Transistor Count 57 billion 26 billion
Transistor Density 107.75 MTr/mm² 50 MTr/mm²

Memory

Memory Type GDDR6 GDDR6
Memory Size 20 GB 16 GB
Memory Clock 2500 MHz 2000 MHz
Effective Memory Speed 20000 Mbps 16000 Mbps
Bus 320-bit 256-bit
ECC No No
Memory Bandwidth
RX 7900 XT +56%
800 GB/s
RX 6900 XT
512 GB/s

API

DirectX 12 12
Vulkan 1.3 1.3
OpenGL 4.6 4.6
OpenCL 2.2 2.1
Ray Tracing Yes Yes
DLSS No No
DisplayPort 2.1 1.4a

Cast your vote

Choose between two graphics cards
17 (60.7%)
11 (39.3%)
Total votes: 28

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