Radeon HD 3870 X2 and Radeon X1650 PRO - video card comparison
Passmark - benchmark score Radeon HD 3870 X2 vs Radeon X1650 PRO
Radeon HD 3870 X2
729
Radeon X1650 PRO
87
Radeon HD 3870 X2
Radeon X1650 PRO
Architecture
TeraScale (2005−2013)
Ultra-Threaded SE
GPU code name
R680
RV530
Market segment
Desktop
Desktop
Release date
January 2008
February 2007
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Core clock speed
825 MHz
600 MHz
Floating-point performance
2x 528.0 gflops
-
Manufacturing process technology
55 nm
90 nm
Number of transistors
666 million
157 million
Pipelines / CUDA cores
320
-
Power consumption (TDP)
165 Watt
44 Watt
Texture fill rate
13.20
2.400
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1802 MHz
1400 MBps
Memory bandwidth
57.66 GB/s
22.4 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
10.1 (10_1)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
3.3
2.1
Shader Model
4.1
3.0
Vulkan
N/A
N/A