GeForce RTX 4080 vs Radeon RX 6600
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4080 's Advantages
Released 11 months late
Boost Clock has increased by 1% (2505MHz vs 2491MHz)
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (716.8GB/s vs 224.0GB/s)
7936 additional rendering cores
Radeon RX 6600 's Advantages
Lower TDP (132W vs 320W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080
+445%
48740
Radeon RX 6600
8928
3DMark Time Spy
GeForce RTX 4080
+247%
28173
Radeon RX 6600
8115
3DMark Time Spy Extreme
GeForce RTX 4080
+278%
14002
Radeon RX 6600
3700
3DMark Speed Way
GeForce RTX 4080
+411%
7254
Radeon RX 6600
1418
Shadow of the Tomb Raider 2160p
GeForce RTX 4080
+288%
132
Radeon RX 6600
34
Shadow of the Tomb Raider 1440p
GeForce RTX 4080
+246%
246
Radeon RX 6600
71
Shadow of the Tomb Raider 1080p
GeForce RTX 4080
+138%
300
Radeon RX 6600
126
Cyberpunk 2077 2160p
GeForce RTX 4080
+204%
73
Radeon RX 6600
24
Cyberpunk 2077 1440p
GeForce RTX 4080
+290%
121
Radeon RX 6600
31
Cyberpunk 2077 1080p
GeForce RTX 4080
+260%
180
Radeon RX 6600
50
Battlefield 5 2160p
GeForce RTX 4080
+179%
123
Radeon RX 6600
44
Battlefield 5 1440p
GeForce RTX 4080
+68%
165
Radeon RX 6600
98
Battlefield 5 1080p
GeForce RTX 4080
+48%
188
Radeon RX 6600
127
GTA 5 2160p
GeForce RTX 4080
+110%
126
Radeon RX 6600
60
GTA 5 1440p
GeForce RTX 4080
+174%
181
Radeon RX 6600
66
GTA 5 1080p
GeForce RTX 4080
182
Radeon RX 6600
182
Graphics Card
Sep 2022
Release Date
Oct 2021
GeForce 40
Generation
Navi II
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
2205 MHz
Base Clock
1626 MHz
2505 MHz
Boost Clock
2491 MHz
1400 MHz
Memory Clock
1750 MHz
Memory
16GB
Memory Size
8GB
GDDR6X
Memory Type
GDDR6
256bit
Memory Bus
128bit
716.8GB/s
Bandwidth
224.0GB/s
Render Config
-
Compute Units
28
76
SM Count
-
9728
Shading Units
1792
304
TMUs
112
112
ROPs
64
304
Tensor Cores
-
76
RT Cores
28
128 KB (per SM)
L1 Cache
128 KB per Array
64 MB
L2 Cache
2 MB
-
L3 Cache
32 MB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
159.4 GPixel/s
761.5 GTexel/s
Texture Rate
279.0 GTexel/s
48.74 TFLOPS
FP16 (half)
17.86 TFLOPS
48.74 TFLOPS
FP32 (float)
8.928 TFLOPS
761.5 GFLOPS
FP64 (double)
558.0 GFLOPS
Board Design
320W
TDP
132W
700 W
Suggested PSU
300 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
1x 16-pin
Power Connectors
1x 8-pin
Graphics Processor
AD103
GPU Name
Navi 23
AD103-300-A1
GPU Variant
Navi 23 XL
(215-130000016)
Ada Lovelace
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
7 nm
45.9 billion
Transistors
11.06 billion
379 mm²
Die Size
237 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
8.9
CUDA
-
6.7
Shader Model
6.5
