GeForce RTX 4090 vs Radeon RX 6600

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

GeForce RTX 4090 leads overall with a score of 89/100 compared to Radeon RX 6600 (29/100), 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 6600
Efficiency 43.0 Poor 51.0 Below Average WINNER
Gaming 93.0 Excellent WINNER 31.0 Poor

Detailed Technical Specifications

3D Mark

3D Mark specifications comparison
Specification GeForce RTX 4090 Radeon RX 6600
Fire Strike 72432 26481
Night Raid 195813 98330
Port Royal 26127 5819
Solar Bay 187525 45002
Time Spy 36299 10397
Wild Life Extreme 85218 19820

API

API specifications comparison
Specification GeForce RTX 4090 Radeon RX 6600
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 6600
1080p High 255 116
1080p Ultra 217 92
1440p Ultra 177 66
4K Ultra 106 36
CoD: Modern Warfare III 266263219151 100966440
Counter-Strike 2 33923818890 1971409750
Cyberpunk 2077 22620814366 79674321
Far Cry 6 203179170104 110957041
Forza Horizon 5 275199193155 144786643
Ghost of Tsushima 18815213791 84654927
Hogwarts Legacy 20016313274 74654624
Margin of Error Low Low
Shadow of the Tomb Raider 302284222118 1311178440
The Witcher 3 292268191101 1241047139

GeekBench 6 ML

GeekBench 6 ML specifications comparison
Specification GeForce RTX 4090 Radeon RX 6600
Backend DirectML DirectML
Depth Estimation (Q) 75599 23470
Face Detection (HP) 78111 19066
Framework ONNX ONNX
Image Classification (SP) 15600 5441
Image Segmentation (HP) 36657 6810
Image Super Resolution (Q) 48114 15043
Machine Translation (HP) 6349 2928
Object Detection (SP) 21186 4309
Pose Estimation (Q) 289639 58821
Style Transfer (SP) 601428 132475
Text Classification (SP) 4074 1943

GeekBench 6 OpenCL

GeekBench 6 OpenCL specifications comparison
Specification GeForce RTX 4090 Radeon RX 6600
API OpenCL OpenCL
Background Blur 318.9 img/sec 104.1 img/sec
Edge Detection 21 Gpixels/sec 2.61 Gpixels/sec
Face Detection 222.8 img/sec 79.7 img/sec
Feature Matching 2.38 Gpixels/sec 0.64 Gpixels/sec
Gaussian Blur 23.9 Gpixels/sec 2.59 Gpixels/sec
Horizon Detection 14.2 Gpixels/sec 2.05 Gpixels/sec
Particle Physics 48090.4 FPS 7635.3 FPS
Stereo Matching 1950 Gpixels/sec 257.8 Gpixels/sec

General

General specifications comparison
Specification GeForce RTX 4090 Radeon RX 6600
Architecture Ada Lovelace RDNA 2.0
Build Discrete Discrete
Case Desktop Desktop
GPU Codename AD102 Navi 23
Launch price (MSRP) $1599 $329
Purpose Gaming Gaming
Recommended CPU -Intel Core i9 14900Kor above -Intel Core i5 12400or above
Released September 20, 2022 October 13, 2021
Segment High-end Mid-range
Successor -GeForce RTX 5090 -Radeon RX 7600
Vendor Nvidia Amd
Nvidia Equivalent -GeForce RTX 3060

Graphics Processing Unit

Graphics Processing Unit specifications comparison
Specification GeForce RTX 4090 Radeon RX 6600
Base Clock 2235 MHz 1626 MHz
Boost Clock 2520 MHz 2491 MHz
Compute Units (Pipelines) 128
Instructions Per Cycle 2 IPC 2 IPC
L1 Cache 128KB per cluster 128KB per cluster
L2 Cache 72MB shared 2MB shared
Ray-tracing Cores 128 28
Render Output Units (ROPs) 176 64
Shading Units 16384 1792
Tensor Cores 512 No
Texture Mapping Units (TMUs) 512 112

Memory

Memory specifications comparison
Specification GeForce RTX 4090 Radeon RX 6600
Bus 384-bit 128-bit
ECC No No
Effective Memory Speed 21000 Mbps 14000 Mbps
Memory Clock 2625 MHz 1750 MHz
Memory Size 24 GB 8 GB
Memory Type GDDR6X GDDR6

Passmark Graphics

Passmark Graphics specifications comparison
Specification GeForce RTX 4090 Radeon RX 6600
DirectX 11 323 FPS 153 FPS
DirectX 12 151 FPS 51 FPS
G2D Mark 1303 895
GPU Compute 26022 Ops/s 6450 Ops/s

Physical

Physical specifications comparison
Specification GeForce RTX 4090 Radeon RX 6600
Die Size 609 mm² 237 mm²
Fabrication Process 5 nm 7 nm
Interface PCIe 4.0 x16 PCIe 4.0 x8
Manufacturing TSMC TSMC
TGP 450 W 132 W
Transistor Count 76.3 billion 11 billion
Transistor Density 125.29 MTr/mm² 46.41 MTr/mm²

Raw Performance

Raw Performance specifications comparison
Specification GeForce RTX 4090 Radeon RX 6600
Pixel Fill Rate 444 GPixel/s 159 GPixel/s
Texture Fill Rate 1290 GTexel/s 279 GTexel/s

Recent User Tests

Recent User Tests specifications comparison
Specification GeForce RTX 4090 Radeon RX 6600
Date Benchmark
📘 2026-04-03(afroman420IU) Cinebench 2024

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