GeForce 305M and Radeon HD 6450M - video card comparison
GeForce 305M
Radeon HD 6450M
Architecture
GT2xx (2009−2012)
Terascale 2 (2009−2015)
GPU code name
n11m-lp1
Seymour-PRO
Market segment
Laptop
Laptop
Release date
January 2010
January 2011
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
525 MHz
600 MHz
CUDA cores
16
-
Floating-point performance
36.8 gflops
192 gflops
Gigaflops
55
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
260 million
370 million
Pipelines / CUDA cores
16
160
Power consumption (TDP)
14 Watt
-
Texture fill rate
4.200
4.800
Memory type
GDDR2, GDDR3, DDR2, DDR3
DDR3
Maximum RAM amount
Up to 512 MB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
Up to 700 (DDR3), Up to 700 (GDDR3) MHz
800 MHz
Memory bandwidth
11.2 GB/s
12.8 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)
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
2.1
4.4
Shader Model
4.1
5.0
Vulkan
N/A
N/A
Power management
8.0
-