Mobility Radeon HD 3870 X2 and GeForce 8800M GTX - video card comparison
Mobility Radeon HD 3870 X2
GeForce 8800M GTX
Architecture
RV6xx (2007−2010)
G9x (2007−2010)
GPU code name
M88-XT CF
NB8E-GTX
Market segment
Laptop
Laptop
Release date
September 2008
November 2007
Interface
PCIe 2.0 x16
MXM-HE
Supplementary power connectors
-
None
SLI options
-
+
Core clock speed
660 MHz
500 MHz
CUDA cores
-
96
Floating-point performance
2x 422.4 gflops
240 gflops
Manufacturing process technology
55 nm
65 nm
Number of transistors
666 million
754 million
Pipelines / CUDA cores
640
96
Power consumption (TDP)
110 Watt
65 Watt
Texture fill rate
10.56
24.00
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
850 MHz
800 MHz
Memory bandwidth
54.4 GB/s
51.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
10.1 (10_1)
11.1 (10_0)
CUDA
-
1.1
OpenCL
N/A
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.0
Vulkan
N/A
N/A