NVIDIA RTX 4000 Ada Generation vs AMD Radeon Pro W6900X
GPU · Specs Compare
Graphics Card
Release Date
Aug 2023
Aug 2021
Generation
Workstation Ada
Radeon Pro Mac
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1500 MHz
1825 MHz
Boost Clock
2175 MHz
2150 MHz
Memory Clock
2250 MHz
2000 MHz
Memory
Memory Size
20GB
32GB
Memory Type
GDDR6
GDDR6
Memory Bus
160bit
256bit
Bandwidth
360.0GB/s
512.0GB/s
Render Config
SM Count
48
—
Shading Units
6144
5120
TMUs
192
320
ROPs
64
128
Tensor Cores
192
—
RT Cores
48
80
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
48 MB
4 MB
Compute Units
—
80
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
139.2 GPixel/s
275.2 GPixel/s
Texture Rate
417.6 GTexel/s
688.0 GTexel/s
FP16 (half)
26.73 TFLOPS
44.03 TFLOPS
FP32 (float)
26.73 TFLOPS
22.02 TFLOPS
FP64 (double)
417.6 GFLOPS
1376 GFLOPS
Graphics Processor
GPU Name
AD104
Navi 21
Architecture
Ada Lovelace
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
35.8 billion
26.8 billion
Die Size
294 mm²
520 mm²
GPU Variant
—
Navi 21 Pro-XTA
Board Design
TDP
130W
300W
Suggested PSU
300 W
700 W
Outputs
4x DisplayPort 1.4a
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
1.3
1.3
CUDA
8.9
—
Shader Model
6.8
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.