NVIDIA GeForce RTX 3070 Ti GA102 vs NVIDIA GeForce GTX 660 Ti
GPU Specs Compare
Graphics Card
Release Date
Oct 2022
Aug 2012
Generation
GeForce 30
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1575 MHz
915 MHz
Boost Clock
1770 MHz
980 MHz
Memory Clock
1188 MHz
1502 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR6X
GDDR5
Memory Bus
256bit
192bit
Bandwidth
608.3GB/s
144.2GB/s
Render Config
SM Count
48
-
Shading Units
6144
1344
TMUs
192
112
ROPs
96
24
Tensor Cores
192
-
RT Cores
48
-
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
4 MB
384 KB
Theoretical Performance
Pixel Rate
169.9 GPixel/s
27.44 GPixel/s
Texture Rate
339.8 GTexel/s
109.8 GTexel/s
FP16 (half)
21.75 TFLOPS
-
FP32 (float)
21.75 TFLOPS
2.634 TFLOPS
FP64 (double)
339.8 GFLOPS
109.8 GFLOPS
Graphics Processor
GPU Name
GA102
GK104
GPU Variant
GA102-150-A1
GK104-300-KD-A2
Architecture
Ampere
Kepler
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
28.3 billion
3.54 billion
Die Size
628 mm²
294 mm²
Board Design
TDP
290W
150W
Suggested PSU
600 W
450 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 12-pin
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.1
CUDA
8.6
3.0
Shader Model
6.6
5.1