Mobility Radeon HD 3850 and HD Graphics 2500 - video card comparison
Mobility Radeon HD 3850
HD Graphics 2500
Architecture
RV6xx (2007−2010)
Gen. 7 Ivy Bridge (2011−2012)
GPU code name
M88
Ivy Bridge GT1
Market segment
Laptop
Laptop
Release date
December 2007
April 2012
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Boost clock speed
-
1150 MHz
Core clock speed
580 MHz
650 MHz
Floating-point performance
371.2 gflops
13.8 gflops
Manufacturing process technology
55 nm
22 nm
Number of transistors
666 million
392 million
Pipelines / CUDA cores
320
6
Power consumption (TDP)
55 Watt
unknown
Texture fill rate
9.280
6.900
Memory type
GDDR3
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
256 Bit
64/128 Bit
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 (11_0)
OpenCL
N/A
1.2
OpenGL
3.3
4.0
Shader Model
4.1
5.0
Vulkan
N/A
1.1.80