AMD Radeon RX 6800 vs NVIDIA GeForce RTX 4080
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Sep 2022
Generation
Navi II
GeForce 40
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1700 MHz
2205 MHz
Boost Clock
2105 MHz
2505 MHz
Memory Clock
2000 MHz
1400 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR6X
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
716.8GB/s
Render Config
Compute Units
60
-
Shading Units
3840
9728
TMUs
240
304
ROPs
96
112
RT Cores
60
76
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
64 MB
L3 Cache
128 MB
-
SM Count
-
76
Tensor Cores
-
304
Theoretical Performance
Pixel Rate
202.1 GPixel/s
280.6 GPixel/s
Texture Rate
505.2 GTexel/s
761.5 GTexel/s
FP16 (half)
32.33 TFLOPS
48.74 TFLOPS
FP32 (float)
16.17 TFLOPS
48.74 TFLOPS
FP64 (double)
1010 GFLOPS
761.5 GFLOPS
Graphics Processor
GPU Name
Navi 21
AD103
GPU Variant
Navi 21 XL(215-121000187)
AD103-300-A1
Architecture
RDNA 2.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
26.8 billion
45.9 billion
Die Size
520 mm²
379 mm²
Board Design
TDP
250W
320W
Suggested PSU
600 W
700 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 16-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.5
6.7
CUDA
-
8.9
📊 Benchmark
3DMark Time Spy
16,182
28,173
3DMark Time Spy Extreme
7,771
14,002
3DMark Speed Way
3,062
-