Radeon HD 8830M and Radeon HD 4750 - video card comparison
Radeon HD 8830M
Radeon HD 4750
Architecture
GCN (2011−2017)
TeraScale (2005−2013)
GPU code name
Venus
RV740
Market segment
Laptop
Desktop
Release date
December 2012
September 2009
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
625 MHz
-
Core clock speed
575 MHz
730 MHz
Floating-point performance
800.0 gflops
934.4 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
826 million
Pipelines / CUDA cores
640
640
Power consumption (TDP)
-
100 Watt
Texture fill rate
25.00
23.36
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
2000 MHz
3200 MHz
Memory bandwidth
32 GB/s
51.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (11_1)
10.1 (10_1)
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.2.131
N/A