NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon RX 6600 XT
GPU · Specs Compare
Graphics Card
Release Date
Sep 2022
Jul 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
1968 MHz
Boost Clock
2505 MHz
2589 MHz
Memory Clock
1400 MHz
2000 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6X
GDDR6
Memory Bus
256bit
128bit
Bandwidth
716.8GB/s
256.0GB/s
Render Config
SM Count
76
—
Shading Units
9728
2048
TMUs
304
128
ROPs
112
64
Tensor Cores
304
—
RT Cores
76
32
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
64 MB
2 MB
Compute Units
—
32
L3 Cache
—
32 MB
Theoretical Performance
Pixel Rate
280.6 GPixel/s
165.7 GPixel/s
Texture Rate
761.5 GTexel/s
331.4 GTexel/s
FP16 (half)
48.74 TFLOPS
21.21 TFLOPS
FP32 (float)
48.74 TFLOPS
10.60 TFLOPS
FP64 (double)
761.5 GFLOPS
662.8 GFLOPS
Graphics Processor
GPU Name
AD103
Navi 23
GPU Variant
AD103-300-A1
Navi 23 XT(215-130000006)
Architecture
Ada Lovelace
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
45.9 billion
11.06 billion
Die Size
379 mm²
237 mm²
Board Design
TDP
320W
160W
Suggested PSU
700 W
450 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
6.6
6.7
Benchmark
3DMark Time Spy
—
9,656
3DMark Time Spy Extreme
—
4,399
3DMark Speed Way
—
1,675
Battlefield 5 1080p
—
144
Shadow of the Tomb Raider 2160p
—
38
Cyberpunk 2077 2160p
—
29
Shadow of the Tomb Raider 1440p
—
72
Cyberpunk 2077 1440p
—
36
Shadow of the Tomb Raider 1080p
—
119
Battlefield 5 2160p
—
58
Blender
—
1,213
Cyberpunk 2077 1080p
—
58
Battlefield 5 1440p
—
111
GTA 5 2160p
—
61
GTA 5 1440p
—
82
GTA 5 1080p
—
149
▲ Specs Compare
Data sourced from official specifications and benchmark tests.