GeForce GT 635M and Radeon 620 - video card comparison
Passmark - benchmark score GeForce GT 635M vs Radeon 620
GeForce GT 635M
578
Radeon 620
924
GeForce GT 635M
Radeon 620
Architecture
Fermi (2010−2014)
GCN 1.0 (2012−2020)
GPU code name
N13E-GE2
Polaris 24
Market segment
Laptop
Laptop
Release date
December 2011
August 2019
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
753 MHz
1024 MHz
Core clock speed
Up to 675 MHz
-
CUDA cores
Up to 144
-
Floating-point performance
253.4 gflops
-
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,170 million
1,550 million
Pipelines / CUDA cores
144
384
Power consumption (TDP)
35 Watt
50 Watt
Texture fill rate
Up to 16.2 billion/sec
24.58
Memory type
DDR3
DDR3, GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
Up to 192bit
64 Bit
Memory clock speed
1800 MHz
2250 MHz
Memory bandwidth
Up to 43.2 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.3
Vulkan
N/A
1.2.131
3D Blu-Ray
+
-
Optimus
+
-