GeForce 305M and Mobility Radeon HD 3670 - video card comparison
GeForce 305M
Mobility Radeon HD 3670
Architecture
GT2xx (2009−2012)
RV6xx (2007−2010)
GPU code name
n11m-lp1
M86XT
Market segment
Laptop
Laptop
Release date
January 2010
January 2008
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
525 MHz
680 MHz
CUDA cores
16
-
Floating-point performance
36.8 gflops
163.2 gflops
Gigaflops
55
-
Manufacturing process technology
40 nm
55 nm
Number of transistors
260 million
378 million
Pipelines / CUDA cores
16
120
Power consumption (TDP)
14 Watt
30 Watt
Texture fill rate
4.200
5.440
Memory type
GDDR2, GDDR3, DDR2, DDR3
DDR2/GDDR3/GDDR4
Maximum RAM amount
Up to 512 MB
256 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
Up to 700 (DDR3), Up to 700 (GDDR3) MHz
800 MHz
Memory bandwidth
11.2 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
DisplayPortHDMIVGADual Link DVISingle Link DVI
No outputs
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
DirectX
11.1 (10_1)
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
2.1
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A
Power management
8.0
-