Home GPU Comparison NVIDIA GeForce GTX 660 Rev. 2 vs Intel Arc A780

NVIDIA GeForce GTX 660 Rev. 2 vs Intel Arc A780

NVIDIA GeForce GTX 660 Rev. 2
VS
Intel Arc A780
NVIDIA GeForce GTX 660 Rev. 2
Intel Arc A780
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 16GB VRAM Arc A780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Lower TDP (140W vs 200W)
Intel Arc A780 's Advantages
Boost Clock has increased by 113% (2200MHz vs 1032MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (559.6GB/s vs 144.2GB/s)
3136 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 660 Rev. 2
1.981 TFLOPS
Arc A780 +809%
18.02 TFLOPS
GeForce GTX 660 Rev. 2
VS
Arc A780

Graphics Card

Sep 2014
Release Date
Unknown
GeForce 600
Generation
Alchemist(Arc 7)
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

980 MHz
Base Clock
2200 MHz
1032 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

-
-
-
-
-
-
960
Shading Units
4096
80
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

20.64 GPixel/s
Pixel Rate
281.6 GPixel/s
82.56 GTexel/s
Texture Rate
563.2 GTexel/s
-
FP16 (half)
36.04 TFLOPS
1.981 TFLOPS
FP32 (float)
18.02 TFLOPS
82.56 GFLOPS
FP64 (double)
2.253 TFLOPS

Board Design

140W
TDP
200W
300 W
Suggested PSU
550 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.13x DisplayPort 2.0
1x 6-pin
Power Connectors
2x 8-pin

Graphics Processor

GK104
GPU Name
DG2-512
-
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

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