AMD Radeon RX 6600 vs NVIDIA RTX 6000D
GPU · Specs Compare
Graphics Card
Release Date
Oct 2021
Jul 2025
Generation
Navi II
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
1626 MHz
1992 MHz
Boost Clock
2491 MHz
2430 MHz
Memory Clock
1750 MHz
1560 MHz
Memory
Memory Size
8GB
84GB
Memory Type
GDDR6
GDDR7
Memory Bus
128bit
448bit
Bandwidth
224.0GB/s
1.40TB/s
Render Config
Compute Units
28
—
Shading Units
1792
19968
TMUs
112
624
ROPs
64
192
RT Cores
28
156
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
128 MB
L3 Cache
32 MB
—
SM Count
—
156
Tensor Cores
—
624
Theoretical Performance
Pixel Rate
159.4 GPixel/s
466.6 GPixel/s
Texture Rate
279.0 GTexel/s
1516.3 GTexel/s
FP16 (half)
17.86 TFLOPS
97.04 TFLOPS
FP32 (float)
8.928 TFLOPS
97.04 TFLOPS
FP64 (double)
558.0 GFLOPS
1.516 TFLOPS
Graphics Processor
GPU Name
Navi 23
GB202
GPU Variant
Navi 23 XL(215-130000016)
—
Architecture
RDNA 2.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
11.06 billion
92.2 billion
Die Size
237 mm²
750 mm²
Board Design
TDP
132W
600W
Suggested PSU
300 W
1000 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
4x DisplayPort 2.1b
Power Connectors
1x 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
1.4
Shader Model
6.5
6.9
CUDA
—
12.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.