GeForce GT 620M and Radeon HD 4870 X2 - video card comparison
Passmark - benchmark score GeForce GT 620M vs Radeon HD 4870 X2
GeForce GT 620M
447
Radeon HD 4870 X2
1348
GeForce GT 620M
Radeon HD 4870 X2
Architecture
Fermi (2010−2014)
TeraScale (2005−2013)
GPU code name
N13P-GLP / N13M-GS
R700
Market segment
Laptop
Desktop
Release date
March 2012
August 2008
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
715 MHz
-
Core clock speed
Up to 625 MHz
700 MHz
CUDA cores
96
-
Floating-point performance
253.4 gflops
2x 1,120.0 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
585 million
956 million
Pipelines / CUDA cores
96
800
Power consumption (TDP)
15 Watt
286 Watt
Texture fill rate
Up to 10.0 billion/sec
28.00
Memory type
DDR3
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
Up to 128bit
256 Bit
Memory clock speed
1800 MHz
3600 MHz
Memory bandwidth
Up to 28.8 GB/s
115.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A
3D Blu-Ray
+
-
Optimus
+
-