Radeon HD 3870 X2 and GeForce 800M - video card comparison
Passmark - benchmark score Radeon HD 3870 X2 vs GeForce 800M
Radeon HD 3870 X2
729
GeForce 800M
471
Radeon HD 3870 X2
GeForce 800M
Architecture
TeraScale (2005−2013)
Fermi 2.0 (2010−2014)
GPU code name
R680
GF117
Market segment
Desktop
Desktop
Release date
January 2008
March 2014
Bus support
-
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
Core clock speed
825 MHz
738 MHz
Floating-point performance
2x 528.0 gflops
141.7 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
666 million
585 million
Pipelines / CUDA cores
320
48
Power consumption (TDP)
165 Watt
15 Watt
Texture fill rate
13.20
5.904
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
1 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
-
+
OpenCL
N/A
1.1
OpenGL
3.3
4.5
Shader Model
4.1
5.1
Vulkan
N/A
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+