NVIDIA GeForce RTX 5080 vs AMD Radeon Pro W6900X
GPU Specs Compare
Graphics Card
Release Date
Jan 2025
Aug 2021
Generation
GeForce 50
Radeon Pro Mac
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2295 MHz
1825 MHz
Boost Clock
2617 MHz
2150 MHz
Memory Clock
1875 MHz
2000 MHz
Memory
Memory Size
16GB
32GB
Memory Type
GDDR7
GDDR6
Memory Bus
256bit
256bit
Bandwidth
960.0GB/s
512.0GB/s
Render Config
SM Count
84
-
Shading Units
10752
5120
TMUs
336
320
ROPs
112
128
Tensor Cores
336
-
RT Cores
84
80
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
64 MB
4 MB
Compute Units
-
80
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
293.1 GPixel/s
275.2 GPixel/s
Texture Rate
879.3 GTexel/s
688.0 GTexel/s
FP16 (half)
56.28 TFLOPS
44.03 TFLOPS
FP32 (float)
56.28 TFLOPS
22.02 TFLOPS
FP64 (double)
879.3 GFLOPS
1376 GFLOPS
Graphics Processor
GPU Name
GB203
Navi 21
GPU Variant
GB203-400-A1
Navi 21 Pro-XTA
Architecture
Blackwell 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
45.6 billion
26.8 billion
Die Size
378 mm²
520 mm²
Board Design
TDP
360W
300W
Suggested PSU
750 W
700 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
1x HDMI 2.14x Thunderbolt
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.3
CUDA
12.0
-
Shader Model
6.8
6.5
📊 Benchmark
3DMark Time Spy
33,116
-
3DMark Time Spy Extreme
16,627
-
3DMark Speed Way
9,296
-