
GeForce GT 640M and Arc A770M - video card comparison
Passmark - benchmark score GeForce GT 640M vs Arc A770M
GeForce GT 640M
946
Arc A770M
11888
GeForce GT 640M
Arc A770M
Architecture
Kepler (2012−2018)
Xe HPG (2020−2022)
GPU code name
N13P-GS
Alchemist
Market segment
Laptop
Laptop
Release date
March 2012
March 2022
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Boost clock speed
645 MHz
-
Core clock speed
Up to 625 MHz
1650 MHz
CUDA cores
384
-
Floating-point performance
480.0 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
1,270 million
21,700 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
32 Watt
150 Watt (120 - 150 Watt TGP)
Texture fill rate
Up to 20.0 billion/sec
422.4
Memory type
DDR3\GDDR5
GDDR6
Maximum RAM amount
2 GB
16 GB
Memory bus width
128bit
256 Bit
Memory clock speed
1800 - 4000 MHz
16000 MHz
Memory bandwidth
Up to 64.0 GB/s
384.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 Ultimate (12_2)
CUDA
+
-
OpenCL
1.1
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.6
Vulkan
1.1.126
1.3
3D Blu-Ray
+
-
Optimus
+
-