Intel Arc A770 vs NVIDIA GeForce GTX 660 OEM
We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Arc A770 's Advantages
Released 10 years and 2 months late
Boost Clock has increased by 170% (2400MHz vs 888MHz)
More VRAM (16GB vs 1536GB)
Larger VRAM bandwidth (512.0GB/s vs 134.4GB/s)
2944 additional rendering cores
NVIDIA GeForce GTX 660 OEM 's Advantages
Lower TDP (130W vs 225W)
Score
Benchmark
FP32 (float)
Arc A770
+860%
19.66 TFLOPS
GeForce GTX 660 OEM
2.046 TFLOPS
3DMark Time Spy
Arc A770
+1035%
13560
GeForce GTX 660 OEM
1194
3DMark Time Spy Extreme
Arc A770
+2409%
6525
GeForce GTX 660 OEM
260
Graphics Card
Oct 2022
Release Date
Aug 2012
Alchemist(Arc 7)
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
2100 MHz
Base Clock
823 MHz
2400 MHz
Boost Clock
888 MHz
2000 MHz
Memory Clock
1400 MHz
Memory
16GB
Memory Size
1536MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
192bit
512.0GB/s
Bandwidth
134.4GB/s
Render Config
-
-
-
-
-
-
4096
Shading Units
1152
256
TMUs
96
128
ROPs
24
512
Tensor Cores
-
32
RT Cores
-
-
L1 Cache
16 KB (per SMX)
16 MB
L2 Cache
384 KB
-
-
-
Theoretical Performance
307.2 GPixel/s
Pixel Rate
21.31 GPixel/s
614.4 GTexel/s
Texture Rate
85.25 GTexel/s
39.32 TFLOPS
FP16 (half)
-
19.66 TFLOPS
FP32 (float)
2.046 TFLOPS
2.458 TFLOPS
FP64 (double)
85.25 GFLOPS
Board Design
225W
TDP
130W
550 W
Suggested PSU
300 W
1x HDMI 2.13x DisplayPort 2.0
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
DG2-512
GPU Name
GK104
ACM-G10
GPU Variant
GK104-200-KD-A2
Generation 12.7
Architecture
Kepler
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
21.7 billion
Transistors
3.54 billion
406 mm²
Die Size
294 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
-
CUDA
3.0
6.6
Shader Model
5.1
