Radeon HD 3850 AGP and GeForce GT 620 - video card comparison
Passmark - benchmark score Radeon HD 3850 AGP vs GeForce GT 620
Radeon HD 3850 AGP
445
GeForce GT 620
388
Radeon HD 3850 AGP
GeForce GT 620
Architecture
TeraScale (2005−2013)
Fermi (2010−2014)
GPU code name
RV670
GF108
Market segment
Desktop
Desktop
Release date
January 2008
May 2012
Bus support
-
PCI Express 2.0
Interface
AGP 8x
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
None
Core clock speed
668 MHz
700 MHz
CUDA cores
-
96
Floating-point performance
427.5 gflops
268.8 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
666 million
585 million
Pipelines / CUDA cores
320
96
Power consumption (TDP)
75 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
10.69
11.2 billion/sec
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1656 MHz
1.8 GB/s
Memory bandwidth
52.99 GB/s
14.4 GB/s
Display Connectors
2x DVI, 1x S-Video
Dual Link DVI-I, HDMI, VGA
Multi monitor support
-
+
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
+
OpenCL
N/A
1.1
OpenGL
3.3
4.2
Shader Model
4.1
5.1
Vulkan
N/A
N/A
3D Blu-Ray
-
+