GeForce RTX 4090 vs Radeon RX 6900 XT

[ VERDICT ] Winner: GeForce RTX 4090 (89/100)

GeForce RTX 4090 leads overall with a score of 89/100 compared to Radeon RX 6900 XT (54/100), offering superior measured performance and technical specifications.

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark GeForce RTX 4090 Radeon RX 6900 XT
Efficiency 43.0 Poor WINNER 36.0 Poor
Gaming 93.0 Excellent WINNER 57.0 Below Average

Detailed Technical Specifications

3D Mark

3D Mark specifications comparison
Specification GeForce RTX 4090 Radeon RX 6900 XT
Fire Strike 72432 57312
Night Raid 195813 159536
Port Royal 26127 10543
Solar Bay 187525 86965
Time Spy 36299 20817
Wild Life Extreme 85218 39345

API

API specifications comparison
Specification GeForce RTX 4090 Radeon RX 6900 XT
CUDA 8.9
DLSS DLSS 3 No
DirectX 12 12
DisplayPort 1.4a 1.4a
OpenCL 3.0 2.1
OpenGL 4.6 4.6
Ray Tracing Yes Yes
Vulkan 1.3 1.3

Games

Games specifications comparison
Specification GeForce RTX 4090 Radeon RX 6900 XT
1080p High 255 189
1080p Ultra 217 158
1440p Ultra 177 121
4K Ultra 106 70
CoD: Modern Warfare III 266263219151 18617812885
Counter-Strike 2 33923818890 29621315381
Cyberpunk 2077 22620814366 1421278642
Far Cry 6 203179170104 17314713183
Forza Horizon 5 275199193155 21213911790
Ghost of Tsushima 18815213791 1291129255
Hogwarts Legacy 20016313274 1291078046
Margin of Error Low Low
Shadow of the Tomb Raider 302284222118 22821316180
The Witcher 3 292268191101 20918613871

GeekBench 6 ML

GeekBench 6 ML specifications comparison
Specification GeForce RTX 4090 Radeon RX 6900 XT
Backend DirectML DirectML
Depth Estimation (Q) 75599 57351
Face Detection (HP) 78111 47808
Framework ONNX ONNX
Image Classification (SP) 15600 13868
Image Segmentation (HP) 36657 17467
Image Super Resolution (Q) 48114 32396
Machine Translation (HP) 6349 7910
Object Detection (SP) 21186 15394
Pose Estimation (Q) 289639 178873
Style Transfer (SP) 601428 372610
Text Classification (SP) 4074 4358

GeekBench 6 OpenCL

GeekBench 6 OpenCL specifications comparison
Specification GeForce RTX 4090 Radeon RX 6900 XT
API OpenCL OpenCL
Background Blur 318.9 img/sec 231.6 img/sec
Edge Detection 21 Gpixels/sec 5.75 Gpixels/sec
Face Detection 222.8 img/sec 152.5 img/sec
Feature Matching 2.38 Gpixels/sec 1.12 Gpixels/sec
Gaussian Blur 23.9 Gpixels/sec 5.87 Gpixels/sec
Horizon Detection 14.2 Gpixels/sec 4.26 Gpixels/sec
Particle Physics 48090.4 FPS 17973.9 FPS
Stereo Matching 1950 Gpixels/sec 618.7 Gpixels/sec

General

General specifications comparison
Specification GeForce RTX 4090 Radeon RX 6900 XT
Architecture Ada Lovelace RDNA 2.0
Build Discrete Discrete
Case Desktop Desktop
GPU Codename AD102 Navi 21
Launch price (MSRP) $1599 $999
Purpose Gaming Gaming
Recommended CPU -Intel Core i9 14900Kor above -Intel Core i7 12700Kor above
Released September 20, 2022 December 8, 2020
Segment High-end High-end
Successor -GeForce RTX 5090 -Radeon RX 7900 XT
Vendor Nvidia Amd
Nvidia Equivalent -GeForce RTX 4070

Graphics Processing Unit

Graphics Processing Unit specifications comparison
Specification GeForce RTX 4090 Radeon RX 6900 XT
Base Clock 2235 MHz 1825 MHz
Boost Clock 2520 MHz 2250 MHz
Compute Units (Pipelines) 128
Instructions Per Cycle 2 IPC 2 IPC
L1 Cache 128KB per cluster 128KB per cluster
L2 Cache 72MB shared 4MB shared
Ray-tracing Cores 128 80
Render Output Units (ROPs) 176 128
Shading Units 16384 5120
Tensor Cores 512
Texture Mapping Units (TMUs) 512 320

Memory

Memory specifications comparison
Specification GeForce RTX 4090 Radeon RX 6900 XT
Bus 384-bit 256-bit
ECC No No
Effective Memory Speed 21000 Mbps 16000 Mbps
Memory Clock 2625 MHz 2000 MHz
Memory Size 24 GB 16 GB
Memory Type GDDR6X GDDR6

Passmark Graphics

Passmark Graphics specifications comparison
Specification GeForce RTX 4090 Radeon RX 6900 XT
DirectX 11 323 FPS 279 FPS
DirectX 12 151 FPS 111 FPS
G2D Mark 1303 1063
GPU Compute 26022 Ops/s 14302 Ops/s

Physical

Physical specifications comparison
Specification GeForce RTX 4090 Radeon RX 6900 XT
Die Size 609 mm² 520 mm²
Fabrication Process 5 nm 7 nm
Interface PCIe 4.0 x16 PCIe 4.0 x16
Manufacturing TSMC TSMC
TGP 450 W 300 W
Transistor Count 76.3 billion 26 billion
Transistor Density 125.29 MTr/mm² 50 MTr/mm²

Raw Performance

Raw Performance specifications comparison
Specification GeForce RTX 4090 Radeon RX 6900 XT
Pixel Fill Rate 444 GPixel/s 288 GPixel/s
Texture Fill Rate 1290 GTexel/s 720 GTexel/s

Recent User Tests

Recent User Tests specifications comparison
Specification GeForce RTX 4090 Radeon RX 6900 XT
Date Benchmark Benchmark
📘 2026-04-03(afroman420IU) Cinebench 2024
📘 2025-12-04->phillybass Cinebench 2024

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