NVIDIA GeForce GTX 660 vs NVIDIA RTX PRO 6000D Blackwell Max-Q
GPU · Specs Compare
Graphics Card
Release Date
Sep 2012
Mar 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
1590 MHz
Boost Clock
1032 MHz
2288 MHz
Memory Clock
1502 MHz
1750 MHz
Memory
Memory Size
2GB
96GB
Memory Type
GDDR5
GDDR7
Memory Bus
192bit
512bit
Bandwidth
144.2GB/s
1.79TB/s
Render Config
Shading Units
960
24064
TMUs
80
752
ROPs
24
192
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
128 MB
SM Count
—
188
Tensor Cores
—
752
RT Cores
—
188
Theoretical Performance
Pixel Rate
20.64 GPixel/s
439.3 GPixel/s
Texture Rate
82.56 GTexel/s
1720.6 GTexel/s
FP32 (float)
1.981 TFLOPS
110.1 TFLOPS
FP64 (double)
82.56 GFLOPS
1.721 TFLOPS
FP16 (half)
—
110.1 TFLOPS
Graphics Processor
GPU Name
GK106
GB202
GPU Variant
GK106-400-A1
—
Architecture
Kepler
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.54 billion
92.2 billion
Die Size
221 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
6.8
Benchmark
3DMark Time Spy
1,194
—
3DMark Time Spy Extreme
260
—
OctaneBench
27
—
Blender
111
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.