Intel Arc A770 vs NVIDIA GeForce GT 640 Rev. 2
We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Arc A770 's Advantages
Released 9 years and 5 months late
Boost Clock2400MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (512.0GB/s vs 40.06GB/s)
3712 additional rendering cores
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Lower TDP (49W vs 225W)
Score
Benchmark
FP32 (float)
Arc A770
+2348%
19.66 TFLOPS
GeForce GT 640 Rev. 2
0.803 TFLOPS
Graphics Card
Oct 2022
Release Date
May 2013
Alchemist(Arc 7)
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x8
Clock Speeds
2100 MHz
Base Clock
-
2400 MHz
Boost Clock
-
2000 MHz
Memory Clock
1252 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
64bit
512.0GB/s
Bandwidth
40.06GB/s
Render Config
-
-
-
-
-
-
4096
Shading Units
384
256
TMUs
32
128
ROPs
8
512
Tensor Cores
-
32
RT Cores
-
-
L1 Cache
16 KB (per SMX)
16 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
307.2 GPixel/s
Pixel Rate
8.368 GPixel/s
614.4 GTexel/s
Texture Rate
33.47 GTexel/s
39.32 TFLOPS
FP16 (half)
-
19.66 TFLOPS
FP32 (float)
803.3 GFLOPS
2.458 TFLOPS
FP64 (double)
33.47 GFLOPS
Board Design
225W
TDP
49W
550 W
Suggested PSU
200 W
1x HDMI 2.13x DisplayPort 2.0
Outputs
1x DVI
1x HDMI 1.4a
1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
DG2-512
GPU Name
GK208
ACM-G10
GPU Variant
GK208-400-A1
Generation 12.7
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
21.7 billion
Transistors
1.02 billion
406 mm²
Die Size
87 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
3.5
6.6
Shader Model
5.1
