AMD Radeon RX 6600 vs Nvidia GeForce RTX 4090

Compared 2 processors: AMD Radeon RX 6600, vs Nvidia GeForce RTX 4090. Below are specs, tests, pros and cons for each device

Review

Key Specs AMD Radeon RX 6600 and Nvidia GeForce RTX 4090
Games
Performance in DirectX, OpenCL, Vulkan
AI/ML
AI workload testing
Professional Apps
3D modeling, video editing, rendering
Energy Efficiency
Power usage in various scenarios
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison

Games

FPS Table
Game title
1080p (High)
1080p (Ultra)
1440p (Ultra)
4K (Ultra)
Forza Horizon 5
140
81
66
45
277
199
191
154
The Witcher 3
125
108
74
38
288
265
187
100
Counter-Strike 2
202
142
96
52
329
244
185
91
Far Cry 6
110
98
73
42
203
182
167
104
Hogwarts Legacy
76
62
47
22
201
164
132
76
COD Modern Warfare 3
103
95
66
42
274
258
221
149
Ghost of Tsushima
80
63
45
23
183
154
137
91
Cyberpunk 2077
80
71
42
18
227
208
143
68
Shadow of the Tomb Raider
137
118
85
39
304
277
215
119
Avg FPS
1080p High117254
1080p Ultra93217
1440p Ultra66175
4K Ultra36106
DeviationLowLow

Benchmarks

CPU performance comparison across tasks
3DMark
Steel Nomad Lite Score
AMD Radeon RX 6600
10197
Nvidia GeForce RTX 4090
42191
Time Spy1042336322
Solar Bay44973186930
Port Royal582026115
Fire Strike2647872253
Night Raid98514195300
GeekBench v6
GB6 Compute Score
AMD Radeon RX 6600
58048
Nvidia GeForce RTX 4090
316301
Background Blur104.1 frames/s318.9 frames/s
Face Detection79.7 frames/s222.8 frames/s
Horizon Detection2.05 Gpix/sec14.2 Gpix/sec
Edge Detection2.61 Gpix/sec21 Gpix/sec
Gaussian Blur2.59 Gpix/sec23.9 Gpix/sec
Feature Matching0.64 Gpix/sec2.38 Gpix/sec
Stereo Matching257.8 Gpix/sec1950 Gpix/sec
Particle Physics7635.3 fps48090.4 fps
APIOpenCLOpenCL
PassMark
PassMark Graphics
AMD Radeon RX 6600
15100
Nvidia GeForce RTX 4090
38303
G2D Mark8811297
DirectX 11152 fps329 fps
DirectX 1251 fps150 fps
GPU Compute6706 Ops/s27111 Ops/s
GFXBench 5
Aztec Ruins (High 4K)
AMD Radeon RX 6600
96.4 fps
Nvidia GeForce RTX 4090
615.9 fps
Aztec Ruins (Normal)567.8 fps1617.6 fps
Car Chasen/a1228.6 fps
Manhattan 3.1.1 (1440p)427.9 fps1234.6 fps
T-Rex1906.1 fps6286 fps
ALU 22284.3 fps15073.4 fps
Driver Overhead 2600 fps303.7 fps
APIMetalOpenGL
OSOS XWindows
Tessellationn/a12119.1

Tech Specs

Specs & test comparison

General Info

Manufacturer AMD Nvidia
Build Discrete Discrete
Announced October, 13, 2021 September, 20, 2022
Form Factor PC use PC use
Use case Gaming Gaming
Segment Mid-range High-end
Architecture RDNA 2.0 Ada Lovelace
Codename Navi 23 AD102
Price 329 1599

GPU

GPU Frequency 1626 MHz 2235 MHz
Boost GPU Frequency 2491 MHz 2520 MHz
Shader Units 1792 16384
TMUs 112 512
ROPs 64 176
Execution Units n/a 128
Ray Tracing Cores 28 128
Tensor Cores No 512
L1 cache 128 KB/core 128 KB/core
L2 cache 2000 KB/core 72 KB/core
Instructions per Clock 2 IPC 2 IPC

Performance

Pixel Fill Rate 159 Gpix/sec 444 Gpix/sec
Texture Fill Rate 279 GTex/s 1290 GTex/s
FLOPS 8.9 TFLOPS 82.6 TFLOPS

Process

Interface PCIe 4.0 x8 PCIe 4.0 x16
TGP 132 W 450 W
Process TSMC TSMC
Process tech. 7 nm 5 nm
Transistor Size 237 mm² 609 mm²
Transistor count 11 billion 76.3 billion
Transistor density 46.41 MTr/mm² 125.29 MTr/mm²

Memory

Interface GDDR6 GDDR6X
Memory Frequency 1750 MHz 2625 MHz
Bus 128 bit 384 bit
ECC support No No
Effective Memory Speed 14000 MB/s 21000 MB/s
Memory Size 8 GB 24 GB
Max Throughput
AMD Radeon RX 6600
224 GB/s
Nvidia GeForce RTX 4090
1010 GB/s

API

DirectX 12 12
Vulkan 1.3 1.3
OpenGL 4.6 4.6
CUDA n/a 8.9
DisplayPort 1.4a 1.4a
Ray Tracing Yes Yes
DLSS No DLSS 3

Results

After analyzing the data, we consider Nvidia GeForce RTX 4090 the clear winner in this comparison.

Survey

Which GPU would you pick?
0 (0%)
1 (100%)
Total Votes: 1

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