NVIDIA RTX PRO 2000 Blackwell vs AMD Radeon RX 6800 3456SP
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Unknown
Generation
Blackwell PRO W
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
982 MHz
1700 MHz
Boost Clock
1957 MHz
2250 MHz
Memory Clock
1125 MHz
2000 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR7
GDDR6
Memory Bus
128bit
256bit
Bandwidth
288.0GB/s
512.0GB/s
Render Config
SM Count
34
—
Shading Units
4352
3456
TMUs
136
216
ROPs
64
96
Tensor Cores
136
—
RT Cores
34
54
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
32 MB
4 MB
Compute Units
—
54
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
125.2 GPixel/s
216.0 GPixel/s
Texture Rate
266.2 GTexel/s
486.0 GTexel/s
FP16 (half)
17.03 TFLOPS
31.10 TFLOPS
FP32 (float)
17.03 TFLOPS
15.55 TFLOPS
FP64 (double)
266.2 GFLOPS
972.0 GFLOPS
Graphics Processor
GPU Name
GB206
Navi 21
Architecture
Blackwell 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
21.9 billion
26.8 billion
Die Size
181 mm²
520 mm²
GPU Variant
—
Navi 21 ES(215-121000066)
Board Design
TDP
70W
250W
Suggested PSU
250 W
600 W
Outputs
4x mini-DisplayPort 2.1b
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
None
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.3
CUDA
12.0
—
Shader Model
6.8
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.