Mobility Radeon HD 3850 and GeForce 305M - video card comparison
Mobility Radeon HD 3850
GeForce 305M
Architecture
RV6xx (2007−2010)
GT2xx (2009−2012)
GPU code name
M88
n11m-lp1
Market segment
Laptop
Laptop
Release date
December 2007
January 2010
Bus support
-
PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
580 MHz
525 MHz
CUDA cores
-
16
Floating-point performance
371.2 gflops
36.8 gflops
Gigaflops
-
55
Manufacturing process technology
55 nm
40 nm
Number of transistors
666 million
260 million
Pipelines / CUDA cores
320
16
Power consumption (TDP)
55 Watt
14 Watt
Texture fill rate
9.280
4.200
Memory type
GDDR3
GDDR2, GDDR3, DDR2, DDR3
Maximum RAM amount
512 MB
Up to 512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
750 MHz
Up to 700 (DDR3), Up to 700 (GDDR3) MHz
Memory bandwidth
48 GB/s
11.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
DisplayPortHDMIVGADual Link DVISingle Link DVI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
DirectX
10.1 (10_1)
11.1 (10_1)
CUDA
-
+
OpenCL
N/A
1.1
OpenGL
3.3
2.1
Shader Model
4.1
4.1
Vulkan
N/A
N/A
Power management
-
8.0