Intel Arc A770 vs NVIDIA GeForce GT 640
We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 2GB VRAM GeForce GT 640 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 4 months late
Boost Clock2400MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 28.51GB/s)
3712 additional rendering cores
NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 225W)
Score
Benchmark
FP32 (float)
Arc A770
+2736%
19.66 TFLOPS
GeForce GT 640
0.693 TFLOPS
3DMark Time Spy
Arc A770
+3215%
13560
GeForce GT 640
409
3DMark Time Spy Extreme
Arc A770
+3978%
6525
GeForce GT 640
160
Blender
Arc A770
+7062%
2292
GeForce GT 640
32
Graphics Card
Oct 2022
Release Date
Jun 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
-
2400 MHz
Boost Clock
-
2000 MHz
Memory Clock
891 MHz
Memory
16GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
128bit
512.0GB/s
Bandwidth
28.51GB/s
Render Config
-
-
-
-
-
-
4096
Shading Units
384
256
TMUs
32
128
ROPs
16
512
Tensor Cores
-
32
RT Cores
-
-
L1 Cache
16 KB (per SMX)
16 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
307.2 GPixel/s
Pixel Rate
7.216 GPixel/s
614.4 GTexel/s
Texture Rate
28.86 GTexel/s
39.32 TFLOPS
FP16 (half)
-
19.66 TFLOPS
FP32 (float)
692.7 GFLOPS
2.458 TFLOPS
FP64 (double)
28.86 GFLOPS
Board Design
225W
TDP
65W
550 W
Suggested PSU
250 W
1x HDMI 2.13x DisplayPort 2.0
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
DG2-512
GPU Name
GK107
ACM-G10
GPU Variant
GK107-300-A2
Generation 12.7
Architecture
Kepler
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
21.7 billion
Transistors
1.27 billion
406 mm²
Die Size
118 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
