AMD Radeon RX 6900 XT vs GeForce RTX 3090

We compared two discrete desktop gaming GPUs: the Radeon RX 6900 XT 16 GB with 5120 shaders against the 3 months older GeForce RTX 3090 24 GB that utilizes 82 pipelines and 10496 shaders. Here you will find complete details about specs, efficiency, performance tests, and more.

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
16 GB GDDR6
VS
24 GB GDDR6X
45.2
(Average)
Value Index
24.7
(Mediocre)

Key differences

Key distinctions and advantages of RTX 3090 over RX 6900 XT
Reasons to consider the Radeon RX 6900 XT
  • Manufactured using a more efficient 7 nm process technology
Reasons to consider the GeForce RTX 3090
  • 55% higher maximum theoretical performance (35.6 vs 23 TFLOPS)
  • Includes 8 GB more video memory
  • Supports Nvidia DLSS 2 technology
  • Has 83% higher memory bandwidth: 936.2 vs 512 GB/s
  • Achieves 71% more points in the GeekBench 6 Compute test (211K vs 124K)
  • Has 2.1x more shading units (10496 vs 5120)

Gaming Performance

Frame rate comparison across popular AAA titles at different resolutions

Games

FPS Table
Forza Horizon 5
212
139
117
90
186
128
117
91
The Witcher 3
209
186
138
71
205
170
128
66
Counter-Strike 2
296
213
153
81
275
207
155
83
Far Cry 6
173
147
131
83
156
145
124
77
Hogwarts Legacy
129
107
80
46
128
108
86
47
CoD: Modern Warfare III
186
178
128
85
171
159
123
80
Ghost of Tsushima
129
112
92
55
120
97
85
48
Cyberpunk 2077
142
127
86
42
148
132
90
43
Shadow of the Tomb Raider
228
213
161
80
237
226
168
91
Average FPS by Resolution
1080p High 189 181
1080p Ultra 158 152
1440p Ultra 121 120
4K Ultra 70 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
20093
RTX 3090 +9%
21858
Time Spy 20817 19896
Solar Bay 86965 97395
Port Royal 10543 13633
Fire Strike 57312 47512
Wild Life Extreme 39345 43669
Night Raid 159536 139766
Sources: 3DMark [1], [2]

GeekBench 6 OpenCL

GPU test for computational tasks (image processing, photography, computer vision, and ML)
GB6 Compute Score
124121
RTX 3090 +71%
211669
Background Blur 231.6 img/sec 320.8 img/sec
Face Detection 152.5 img/sec 207.2 img/sec
Horizon Detection 4.26 Gpixels/sec 10.1 Gpixels/sec
Edge Detection 5.75 Gpixels/sec 14.4 Gpixels/sec
Gaussian Blur 5.87 Gpixels/sec 11.5 Gpixels/sec
Feature Matching 1.12 Gpixels/sec 1.48 Gpixels/sec
Stereo Matching 618.7 Gpixels/sec 984.2 Gpixels/sec
Particle Physics 17973.9 FPS 27764.9 FPS
API OpenCL OpenCL
Sources: Geekbench [3], [4]

Cinebench 2024 GPU

Hardware benchmark using Maxon's Cinema 4D rendering engine
Cinebench 2024 GPU
8430
RTX 3090 +136%
19868

Passmark Graphics

Videocard test that focuses on compute shaders, multi-texturing, tessellation, and other features
G3D Mark Score
26645
26494
G2D Mark 1063 1069
DirectX 11 279 FPS 218 FPS
DirectX 12 111 FPS 109 FPS
GPU Compute 14302 Ops/s 15028 Ops/s
Sources: PassMark [5], [6]8307 & 17758 samples

Blender

Rendering performance test for 3D modeling
Blender GPU
2492.21
RTX 3090 +132%
5786.88
Sources: Blender [9], [10]1261 & 8228 samples

Recent User Tests

The latest benchmark tests that have been submitted by users
Radeon RX 6900 XT
DateBenchmarkResult
📘 2025-12-04 -> phillybassCinebench 20248430
GeForce RTX 3090
No benchmark results yet

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 6900 XT +24%
33651
27237
GB6 ML Half Precision
36994
RTX 3090 +12%
41500
GB6 ML Quantized
RX 6900 XT +54%
24546
15927
Image Classification (SP) 13868 10665
Image Segmentation (HP) 17467 28963
Image Super Resolution (Q) 32396 22697
Face Detection (HP) 47808 55232
Pose Estimation (Q) 178873 128155
Text Classification (SP) 4358 3152
Machine Translation (HP) 7910 5088
Object Detection (SP) 15394 13891
Depth Estimation (Q) 57351 37984
Style Transfer (SP) 372610 272000
Framework ONNX ONNX
Backend DirectML DirectML
Sources: Geekbench [9], [10]

Specifications

Technical specifications of Radeon RX 6900 XT and GeForce RTX 3090

General

Vendor Amd Nvidia
Build Discrete Discrete
Released December 8, 2020 September 24, 2020
Launch price (MSRP) $999 $1499
Case Desktop Desktop
Purpose Gaming Gaming
Segment High-end High-end
Architecture RDNA 2.0 Ampere
GPU Codename Navi 21 GA102
Rival Equivalent - GeForce RTX 4070 - Radeon RX 6900 XT
Successor - Radeon RX 7900 XT - GeForce RTX 5090
Recommended CPU - Intel Core i7 12700K or above - Intel Core i9 12900K or above
Desktop GPU rating (26th and 20th place)

Graphics Processing Unit

Base Clock 1825 MHz 1395 MHz
Boost Clock 2250 MHz 1695 MHz
Shading Units 5120 10496
Texture Mapping Units (TMUs) 320 328
Render Output Units (ROPs) 128 112
Compute Units (Pipelines) - 82
Tensor Cores - 328
Ray-tracing Cores 80 82
L1 Cache 128KB per cluster 128KB per cluster
L2 Cache 4MB shared 6MB shared
Instructions Per Cycle 2 IPC 2 IPC

Raw Performance

Pixel Fill Rate 288 GPixel/s 190 GPixel/s
Texture Fill Rate 720 GTexel/s 556 GTexel/s
FLOPS (FP32)
23 TFLOPS
RTX 3090 +55%
35.6 TFLOPS

Physical

Interface PCIe 4.0 x16 PCIe 4.0 x16
TGP 300 W 350 W
Manufacturing TSMC Samsung
Fabrication Process 7 nm 8 nm
Die Size 520 mm² 628 mm²
Transistor Count 26 billion 28 billion
Transistor Density 50 MTr/mm² 44.59 MTr/mm²

Memory

Memory Type GDDR6 GDDR6X
Memory Size 16 GB 24 GB
Memory Clock 2000 MHz 1219 MHz
Effective Memory Speed 16000 Mbps 19500 Mbps
Bus 256-bit 384-bit
ECC No No
Memory Bandwidth
512 GB/s
RTX 3090 +83%
936.2 GB/s

API

DirectX 12 12
Vulkan 1.3 1.3
OpenGL 4.6 4.6
OpenCL 2.1 3.0
CUDA - 8.6
Ray Tracing Yes Yes
DLSS No DLSS 2
DisplayPort 1.4a 1.4a

Cast your vote

Choose between two graphics cards
30 (69.8%)
13 (30.2%)
Total votes: 43

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