Mobility Radeon HD 3850 and GeForce 320M - video card comparison
Mobility Radeon HD 3850
GeForce 320M
Architecture
RV6xx (2007−2010)
GT2xx (2009−2012)
GPU code name
M88
MCP89
Market segment
Laptop
Laptop
Release date
December 2007
April 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
580 MHz
450 MHz
Floating-point performance
371.2 gflops
-
Manufacturing process technology
55 nm
40 nm
Number of transistors
666 million
486 million
Pipelines / CUDA cores
320
32
Power consumption (TDP)
55 Watt
23 Watt
Texture fill rate
9.280
7.200
Memory type
GDDR3
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
750 MHz
System Shared
Memory bandwidth
48 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
10.1 (10_1)
11.1 (10_1)
OpenCL
N/A
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A