HD Graphics 3000 and Mobility Radeon HD 3870 - video card comparison
HD Graphics 3000
Mobility Radeon HD 3870
Architecture
Gen. 6 Sandy Bridge (2011)
RV6xx (2007−2010)
GPU code name
Sandy Bridge
M88-XT
Market segment
Laptop
Laptop
Release date
February 2011
March 2008
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Boost clock speed
1350 MHz
-
Core clock speed
350 MHz
660 MHz
Floating-point performance
20.4 gflops
422.4 gflops
Manufacturing process technology
32 nm
55 nm
Number of transistors
995 million
666 million
Pipelines / CUDA cores
12
320
Power consumption (TDP)
unknown
55 Watt
Texture fill rate
13.80
10.56
Memory type
System Shared
GDDR3
Maximum RAM amount
System Shared
512 MB
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
System Shared
850 MHz
Memory bandwidth
-
54.4 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.1 (10_1)
10.1 (10_1)
OpenCL
N/A
N/A
OpenGL
3.1
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A