NVIDIA GeForce RTX 4080 vs AMD Radeon RX 6600
GPU Specs Compare
Graphics Card
Release Date
Sep 2022
Oct 2021
Generation
GeForce 40
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
2205 MHz
1626 MHz
Boost Clock
2505 MHz
2491 MHz
Memory Clock
1400 MHz
1750 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6X
GDDR6
Memory Bus
256bit
128bit
Bandwidth
716.8GB/s
224.0GB/s
Render Config
SM Count
76
-
Shading Units
9728
1792
TMUs
304
112
ROPs
112
64
Tensor Cores
304
-
RT Cores
76
28
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
64 MB
2 MB
Compute Units
-
28
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
280.6 GPixel/s
159.4 GPixel/s
Texture Rate
761.5 GTexel/s
279.0 GTexel/s
FP16 (half)
48.74 TFLOPS
17.86 TFLOPS
FP32 (float)
48.74 TFLOPS
8.928 TFLOPS
FP64 (double)
761.5 GFLOPS
558.0 GFLOPS
Graphics Processor
GPU Name
AD103
Navi 23
GPU Variant
AD103-300-A1
Navi 23 XL(215-130000016)
Architecture
Ada Lovelace
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
45.9 billion
11.06 billion
Die Size
379 mm²
237 mm²
Board Design
TDP
320W
132W
Suggested PSU
700 W
300 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 16-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.3
CUDA
8.9
-
Shader Model
6.7
6.5
📊 Benchmark
3DMark Time Spy
28,173
-
3DMark Time Spy Extreme
14,002
-