Mobility Radeon HD 3670 and GeForce 405M - video card comparison
Mobility Radeon HD 3670
GeForce 405M
Architecture
RV6xx (2007−2010)
GT2xx (2009−2012)
GPU code name
M86XT
GT218
Market segment
Laptop
Laptop
Release date
January 2008
May 2012
Bus support
-
PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
680 MHz
606 MHz
CUDA cores
-
16
Floating-point performance
163.2 gflops
38.78 gflops
Gigaflops
-
73
Manufacturing process technology
55 nm
40 nm
Number of transistors
378 million
260 million
Pipelines / CUDA cores
120
16
Power consumption (TDP)
30 Watt
14 Watt
Texture fill rate
5.440
4.848
Memory type
DDR2/GDDR3/GDDR4
GDDR3, DDR3
Maximum RAM amount
256 MB
Up to 512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
800 MHz
Up to 800 (DDR3), Up to 800 (GDDR3) MHz
Memory bandwidth
25.6 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
DisplayPort, HDMI, VGA, Dual Link DVI, Single Link DVI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
DirectX
10.1 (10_1)
12 API
CUDA
-
+
OpenCL
N/A
1.1
OpenGL
3.3
4.5
Shader Model
4.1
4.1
Vulkan
N/A
N/A
Power management
-
8.0