GeForce GTX 660 Ti vs Arc A780
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 16GB VRAM Arc A780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Ti 's Advantages
Lower TDP (150W vs 200W)
Arc A780 's Advantages
Boost Clock has increased by 124% (2200MHz vs 980MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (559.6GB/s vs 144.2GB/s)
2752 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
2634
Arc A780
+584%
18020
Graphics Card
Aug 2012
Release Date
Unknown
GeForce 600
Generation
Alchemist(Arc 7)
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
915 MHz
Base Clock
2200 MHz
980 MHz
Boost Clock
2200 MHz
1502 MHz
Memory Clock
1093 MHz
Memory
2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6X
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
559.6GB/s
Render Config
1344
Shading Units
4096
112
TMUs
256
24
ROPs
128
-
Tensor Cores
512
-
RT Cores
32
16 KB (per SMX)
L1 Cache
-
384 KB
L2 Cache
16 MB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
281.6 GPixel/s
109.8 GTexel/s
Texture Rate
563.2 GTexel/s
-
FP16 (half)
36.04 TFLOPS
2.634 TFLOPS
FP32 (float)
18.02 TFLOPS
109.8 GFLOPS
FP64 (double)
2.253 TFLOPS
Board Design
150W
TDP
200W
450 W
Suggested PSU
550 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x HDMI 2.13x DisplayPort 2.0
2x 6-pin
Power Connectors
2x 8-pin
Graphics Processor
GK104
GPU Name
DG2-512
GK104-300-KD-A2
GPU Variant
ACM-G10
Kepler
Architecture
Generation 12.7
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
3.54 billion
Transistors
21.7 billion
294 mm²
Die Size
406 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.6
