Radeon HD 3870 X2 and GeForce GT 740A - video card comparison
Passmark - benchmark score Radeon HD 3870 X2 vs GeForce GT 740A
Radeon HD 3870 X2
729
GeForce GT 740A
687
Radeon HD 3870 X2
GeForce GT 740A
Architecture
TeraScale (2005−2013)
Kepler 2.0 (2013−2015)
GPU code name
R680
GK208
Market segment
Desktop
Desktop
Release date
January 2008
August 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
Core clock speed
825 MHz
980 MHz
Floating-point performance
2x 528.0 gflops
752.6 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
666 million
915 million
Pipelines / CUDA cores
320
384
Power consumption (TDP)
165 Watt
33 Watt
Texture fill rate
13.20
31.36
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1802 MHz
1800 MHz
Memory bandwidth
57.66 GB/s
14.4 GB/s
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
3.5
OpenCL
N/A
1.2
OpenGL
3.3
4.6
Shader Model
4.1
5.1
Vulkan
N/A
1.1.126