Radeon HD 3850 X2 and GeForce GT 320 OEM - video card comparison
Radeon HD 3850 X2
GeForce GT 320 OEM
Architecture
TeraScale (2005−2013)
Tesla 2.0 (2007−2013)
GPU code name
RV670
GT215
Market segment
Desktop
Desktop
Release date
April 2008
February 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
669 MHz
540 MHz
Floating-point performance
2x 428.2 gflops
187.49 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
666 million
727 million
Pipelines / CUDA cores
320
72
Power consumption (TDP)
140 Watt
43 Watt
Texture fill rate
10.70
12.96
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1656 MHz
1580 MHz
Memory bandwidth
52.99 GB/s
25.28 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
10.1 (10_1)
11.1 (10_1)
CUDA
-
1.2
OpenCL
N/A
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A