Radeon HD 4870 and Mobility Radeon HD 4330 - video card comparison
Radeon HD 4870
Mobility Radeon HD 4330
Architecture
TeraScale (2005−2013)
Terascale 1 (2008−2010)
GPU code name
RV770
M92-SE
Market segment
Desktop
Laptop
Release date
June 2008
January 2009
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
-
Core clock speed
750 MHz
450 MHz
Floating-point performance
1,200.0 gflops
72 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
956 million
242 million
Pipelines / CUDA cores
800
80
Power consumption (TDP)
150 Watt
-
Texture fill rate
30.00
3.600
Memory type
GDDR5
GDDR3, DDR2, DDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
3600 MHz
600 MHz
Memory bandwidth
115.2 GB/s
9.6 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
1.1
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A