NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA RTX PRO 5000 72 GB Blackwell
GPU Specs Compare
Graphics Card
Release Date
Sep 2014
Oct 2025
Generation
GeForce 600
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
980 MHz
1740 MHz
Boost Clock
1032 MHz
2377 MHz
Memory Clock
1502 MHz
1750 MHz
Memory
Memory Size
2GB
72GB
Memory Type
GDDR5
GDDR7
Memory Bus
192bit
384bit
Bandwidth
144.2GB/s
1.34TB/s
Render Config
Shading Units
960
14080
TMUs
80
440
ROPs
24
160
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
96 MB
SM Count
-
110
Tensor Cores
-
440
RT Cores
-
110
Theoretical Performance
Pixel Rate
20.64 GPixel/s
380.3 GPixel/s
Texture Rate
82.56 GTexel/s
1045.9 GTexel/s
FP32 (float)
1.981 TFLOPS
66.94 TFLOPS
FP64 (double)
82.56 GFLOPS
1045.9 GFLOPS
FP16 (half)
-
66.94 TFLOPS
Graphics Processor
GPU Name
GK104
GB202
Architecture
Kepler
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
3.54 billion
92.2 billion
Die Size
294 mm²
750 mm²
Board Design
TDP
140W
300W
Suggested PSU
300 W
700 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x DisplayPort 2.1b
Power Connectors
1x 6-pin
1x 16-pin
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.4
CUDA
3.0
12.0
Shader Model
5.1
6.9