NVIDIA GeForce GTX 660 Ti vs Intel Arc A780
GPU · Specs Compare
Graphics Card
Release Date
Aug 2012
Unknown
Generation
GeForce 600
Alchemist(Arc 7)
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
915 MHz
2200 MHz
Boost Clock
980 MHz
2200 MHz
Memory Clock
1502 MHz
1093 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6X
Memory Bus
192bit
256bit
Bandwidth
144.2GB/s
559.6GB/s
Render Config
Shading Units
1344
4096
TMUs
112
256
ROPs
24
128
L1 Cache
16 KB (per SMX)
—
L2 Cache
384 KB
16 MB
Tensor Cores
—
512
RT Cores
—
32
Theoretical Performance
Pixel Rate
27.44 GPixel/s
281.6 GPixel/s
Texture Rate
109.8 GTexel/s
563.2 GTexel/s
FP32 (float)
2.634 TFLOPS
18.02 TFLOPS
FP64 (double)
109.8 GFLOPS
2.253 TFLOPS
FP16 (half)
—
36.04 TFLOPS
Graphics Processor
GPU Name
GK104
DG2-512
GPU Variant
GK104-300-KD-A2
ACM-G10
Architecture
Kepler
Generation 12.7
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
3.54 billion
21.7 billion
Die Size
294 mm²
406 mm²
Board Design
TDP
150W
200W
Suggested PSU
450 W
550 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.13x DisplayPort 2.0
Power Connectors
2x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.0
—
Shader Model
5.1
6.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.