GeForce GTX 460M and Mobility Radeon HD 3870 X2 - video card comparison
GeForce GTX 460M
Mobility Radeon HD 3870 X2
Architecture
Fermi (2010−2014)
RV6xx (2007−2010)
GPU code name
N11E-GS
M88-XT CF
Market segment
Laptop
Laptop
Release date
September 2010
September 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
SLI options
+
-
Core clock speed
675 MHz
660 MHz
Floating-point performance
518.4 gflops
2x 422.4 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
1,170 million
666 million
Pipelines / CUDA cores
192
640
Power consumption (TDP)
50 Watt
110 Watt
Texture fill rate
16.1 billion/sec
10.56
Memory type
GDDR5
GDDR3
Maximum RAM amount
1536 MB
512 MB
Memory bus width
192 Bit
256 Bit
Memory clock speed
1250 MHz
850 MHz
Memory bandwidth
60.0 GB/s
54.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API with Feature Level 12.1
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A