GeForce GT 640 and Arc A770 - video card comparison
Passmark - benchmark score GeForce GT 640 vs Arc A770
GeForce GT 640
1209
Arc A770
10284
GeForce GT 640
Arc A770
Architecture
Kepler (2012−2018)
Alchemist
GPU code name
GK107
DG2-512
Market segment
Desktop
Desktop
Release date
June 2012
October 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Boost clock speed
-
2400 MHz
Core clock speed
902 MHz
2100 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
1,270 million
21,700 million
Pipelines / CUDA cores
384
4096
Power consumption (TDP)
65 Watt
225 Watt
Texture fill rate
28.86
614.4
Memory type
DDR3
GDDR6
Maximum RAM amount
2 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
16000 MHz
Memory bandwidth
28.51 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 3x DisplayPort 2.0
HDMI
+
+
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
3.0
-
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
1.1.126
1.3