ATI Mobility Radeon HD 4830 vs ATI Mobility Radeon HD 4850

Comparative analysis of ATI Mobility Radeon HD 4830 and ATI Mobility Radeon HD 4850 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

ATI Mobility Radeon HD 4830

ATI Mobility Radeon HD 4850

Differences

Reasons to consider the ATI Mobility Radeon HD 4830

Videocard is newer: launch date 1 month(s) later
Around 10% higher core clock speed: 550 MHz vs 500 MHz
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 55 nm
Around 65% higher memory clock speed: 2800 MHz vs 1700 MHz

Launch date	3 March 2009 vs 9 January 2009
Core clock speed	550 MHz vs 500 MHz
Manufacturing process technology	40 nm vs 55 nm
Memory clock speed	2800 MHz vs 1700 MHz

Reasons to consider the ATI Mobility Radeon HD 4850

Around 14% higher texture fill rate: 20 GTexel / s vs 17.6 GTexel / s
Around 25% higher pipelines: 800 vs 640
Around 14% better floating-point performance: 800.0 gflops vs 704.0 gflops
Around 69% better performance in PassMark - G3D Mark: 866 vs 512
Around 66% better performance in PassMark - G2D Mark: 472 vs 285

Specifications (specs)
Texture fill rate	20 GTexel / s vs 17.6 GTexel / s
Pipelines	800 vs 640
Floating-point performance	800.0 gflops vs 704.0 gflops
Benchmarks
PassMark - G3D Mark	866 vs 512
PassMark - G2D Mark	472 vs 285

Compare benchmarks

GPU 1: ATI Mobility Radeon HD 4830
GPU 2: ATI Mobility Radeon HD 4850

PassMark - G3D Mark

GPU 1

GPU 2

512

866

PassMark - G2D Mark

GPU 1

GPU 2

285

472

Name	ATI Mobility Radeon HD 4830	ATI Mobility Radeon HD 4850
PassMark - G3D Mark	512	866
PassMark - G2D Mark	285	472
GFXBench 4.0 - T-Rex (Frames)		2486
GFXBench 4.0 - T-Rex (Fps)		2486

Compare specifications (specs)

	ATI Mobility Radeon HD 4830	ATI Mobility Radeon HD 4850
Essentials
Architecture	TeraScale	TeraScale
Code name	M97	M98
Launch date	3 March 2009	9 January 2009
Place in performance rating	580	581
Type	Laptop	Laptop
Technical info
Core clock speed	550 MHz	500 MHz
Floating-point performance	704.0 gflops	800.0 gflops
Manufacturing process technology	40 nm	55 nm
Pipelines	640	800
Texture fill rate	17.6 GTexel / s	20 GTexel / s
Transistor count	826 million	956 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Laptop size	large	large
API support
DirectX	10.1	10.1
OpenGL	3.3	3.3
Memory
Maximum RAM amount	1 GB	1 GB
Memory bandwidth	44.8 GB / s	54.4 GB / s
Memory bus width	128 Bit	256 Bit
Memory clock speed	2800 MHz	1700 MHz
Memory type	GDDR3, DDR3	GDDR3
Shared memory	0	0
Technologies
CrossFire
Powerplay
1x Dual-Link/Single-Link DVI
1x Single-Link DVI Support (all display ports have to be supported by the laptop manufacturer)
DisplayPort support up to 2560x1600
HDMI support up to 1920x1080 (both with 7.1 AC3 Audio)
PCI-E 2.0 x16