NVIDIA RTX PRO 6000D Blackwell vs NVIDIA GeForce GTX 660 Rev. 2
GPU · Specs Compare
Graphics Card
Release Date
Mar 2025
Sep 2014
Generation
Blackwell PRO W
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1590 MHz
980 MHz
Boost Clock
2617 MHz
1032 MHz
Memory Clock
1750 MHz
1502 MHz
Memory
Memory Size
96GB
2GB
Memory Type
GDDR7
GDDR5
Memory Bus
512bit
192bit
Bandwidth
1.79TB/s
144.2GB/s
Render Config
SM Count
188
—
Shading Units
24064
960
TMUs
752
80
ROPs
192
24
Tensor Cores
752
—
RT Cores
188
—
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
128 MB
384 KB
Theoretical Performance
Pixel Rate
502.5 GPixel/s
20.64 GPixel/s
Texture Rate
1968.0 GTexel/s
82.56 GTexel/s
FP16 (half)
126.0 TFLOPS
—
FP32 (float)
126.0 TFLOPS
1.981 TFLOPS
FP64 (double)
1.968 TFLOPS
82.56 GFLOPS
Graphics Processor
GPU Name
GB202
GK104
Architecture
Blackwell 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
92.2 billion
3.54 billion
Die Size
750 mm²
294 mm²
Board Design
TDP
600W
140W
Suggested PSU
1000 W
300 W
Outputs
4x DisplayPort 2.1b
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 16-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.1
CUDA
12.0
3.0
Shader Model
6.8
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.