GeForce 9800M GTX and Mobility Radeon HD 3870 - video card comparison
GeForce 9800M GTX
Mobility Radeon HD 3870
Architecture
G9x (2007−2010)
RV6xx (2007−2010)
GPU code name
NB9E-GTX
M88-XT
Market segment
Laptop
Laptop
Release date
July 2008
March 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
SLI options
+
-
Core clock speed
500 MHz
660 MHz
CUDA cores per GPU
112
-
Floating-point performance
280 gflops
422.4 gflops
Gigaflops
420
-
Manufacturing process technology
65 nm
55 nm
Number of transistors
754 million
666 million
Pipelines / CUDA cores
112
320
Power consumption (TDP)
75 Watt
55 Watt
Texture fill rate
28.00
10.56
Memory type
GDDR3
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
800 MHz
850 MHz
Memory bandwidth
51.2 GB/s
54.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
11.1 (10_0)
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
3.3
3.3
Shader Model
4.0
4.1
Vulkan
N/A
N/A