NVIDIA GeForce GTX 660 Ti vs NVIDIA RTX A1000
GPU · Specs Compare
Graphics Card
Release Date
Aug 2012
Apr 2024
Generation
GeForce 600
Quadro Ampere
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
915 MHz
727 MHz
Boost Clock
980 MHz
1462 MHz
Memory Clock
1502 MHz
1500 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
128bit
Bandwidth
144.2GB/s
192.0GB/s
Render Config
Shading Units
1344
2304
TMUs
112
72
ROPs
24
32
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
2 MB
SM Count
—
18
Tensor Cores
—
72
RT Cores
—
18
Theoretical Performance
Pixel Rate
27.44 GPixel/s
46.78 GPixel/s
Texture Rate
109.8 GTexel/s
105.3 GTexel/s
FP32 (float)
2.634 TFLOPS
6.737 TFLOPS
FP64 (double)
109.8 GFLOPS
105.3 GFLOPS
FP16 (half)
—
6.737 TFLOPS
Graphics Processor
GPU Name
GK104
GA107
GPU Variant
GK104-300-KD-A2
—
Architecture
Kepler
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
3.54 billion
8.7 billion
Die Size
294 mm²
200 mm²
Board Design
TDP
150W
50W
Suggested PSU
450 W
250 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x mini-DisplayPort 1.4a
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.0
8.6
Shader Model
5.1
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.