AMD Radeon HD 8830M vs ATI Radeon HD 4770

Comparative analysis of AMD Radeon HD 8830M and ATI Radeon HD 4770 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), PassMark - G3D Mark, PassMark - G2D Mark.

AMD Radeon HD 8830M

ATI Radeon HD 4770

Differences

Reasons to consider the AMD Radeon HD 8830M

Videocard is newer: launch date 3 year(s) 11 month(s) later
Around 4% higher texture fill rate: 25 GTexel / s vs 24 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
4x more maximum memory size: 2 GB vs 512 MB
Around 31% better performance in GFXBench 4.0 - T-Rex (Frames): 11302 vs 8618
Around 31% better performance in GFXBench 4.0 - T-Rex (Fps): 11302 vs 8618

Specifications (specs)
Launch date	1 April 2013 vs 28 April 2009
Texture fill rate	25 GTexel / s vs 24 GTexel / s
Manufacturing process technology	28 nm vs 40 nm
Maximum memory size	2 GB vs 512 MB
Benchmarks
GFXBench 4.0 - T-Rex (Frames)	11302 vs 8618
GFXBench 4.0 - T-Rex (Fps)	11302 vs 8618

Reasons to consider the ATI Radeon HD 4770

Around 30% higher core clock speed: 750 MHz vs 575 MHz
Around 20% better floating-point performance: 960.0 gflops vs 800.0 gflops
Around 60% higher memory clock speed: 3200 MHz vs 2000 MHz

Core clock speed	750 MHz vs 575 MHz
Floating-point performance	960.0 gflops vs 800.0 gflops
Memory clock speed	3200 MHz vs 2000 MHz

Compare benchmarks

GPU 1: AMD Radeon HD 8830M
GPU 2: ATI Radeon HD 4770

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

11302

8618

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

11302

8618

Name	AMD Radeon HD 8830M	ATI Radeon HD 4770
GFXBench 4.0 - Car Chase Offscreen (Frames)	2695
GFXBench 4.0 - Car Chase Offscreen (Fps)	2695
GFXBench 4.0 - Manhattan (Frames)	5106
GFXBench 4.0 - Manhattan (Fps)	5106
GFXBench 4.0 - T-Rex (Frames)	11302	8618
GFXBench 4.0 - T-Rex (Fps)	11302	8618
PassMark - G3D Mark		908
PassMark - G2D Mark		120

Compare specifications (specs)

	AMD Radeon HD 8830M	ATI Radeon HD 4770
Essentials
Architecture	GCN 1.0	TeraScale
Code name	Venus	RV740
Design	AMD Radeon HD 8000M Series
Launch date	1 April 2013	28 April 2009
Place in performance rating	434	737
Type	Desktop	Desktop
Launch price (MSRP)		$109
Technical info
Boost clock speed	575 MHz
Compute units	10
Core clock speed	575 MHz	750 MHz
Floating-point performance	800.0 gflops	960.0 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	640	640
Texture fill rate	25 GTexel / s	24 GTexel / s
Transistor count	1,500 million	826 million
Thermal Design Power (TDP)		80 Watt
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Laptop size	medium sized
Length		203 mm
Supplementary power connectors		1x 6-pin
API support
DirectX	11	10.1
OpenGL	4.4	3.3
Memory
Maximum RAM amount	2 GB	512 MB
Memory bandwidth	32 GB / s	51.2 GB / s
Memory bus width	128 Bit	128 Bit
Memory clock speed	2000 MHz	3200 MHz
Memory type	DDR3	GDDR5
Shared memory	0