ATI Radeon HD 4730 vs ATI Mobility Radeon HD 4870

Comparative analysis of ATI Radeon HD 4730 and ATI Mobility Radeon HD 4870 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: GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), PassMark - G3D Mark, PassMark - G2D Mark.

 

Differences

Reasons to consider the ATI Radeon HD 4730

  • Videocard is newer: launch date 4 month(s) later
  • Around 36% higher core clock speed: 750 MHz vs 550 MHz
  • Around 9% higher texture fill rate: 24 GTexel / s vs 22 GTexel / s
  • Around 9% better floating-point performance: 960.0 gflops vs 880.0 gflops
  • 2x more memory clock speed: 3600 MHz vs 1776 MHz
  • 2.2x better performance in GFXBench 4.0 - T-Rex (Frames): 7497 vs 3350
  • 2.2x better performance in GFXBench 4.0 - T-Rex (Fps): 7497 vs 3350
Specifications (specs)
Launch date 8 June 2009 vs 9 January 2009
Core clock speed 750 MHz vs 550 MHz
Texture fill rate 24 GTexel / s vs 22 GTexel / s
Floating-point performance 960.0 gflops vs 880.0 gflops
Memory clock speed 3600 MHz vs 1776 MHz
Benchmarks
GFXBench 4.0 - T-Rex (Frames) 7497 vs 3350
GFXBench 4.0 - T-Rex (Fps) 7497 vs 3350

Reasons to consider the ATI Mobility Radeon HD 4870

  • Around 25% higher pipelines: 800 vs 640
Pipelines 800 vs 640

Compare benchmarks

GPU 1: ATI Radeon HD 4730
GPU 2: ATI Mobility Radeon HD 4870

GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
7497
3350
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
7497
3350
Name ATI Radeon HD 4730 ATI Mobility Radeon HD 4870
GFXBench 4.0 - T-Rex (Frames) 7497 3350
GFXBench 4.0 - T-Rex (Fps) 7497 3350
PassMark - G3D Mark 720
PassMark - G2D Mark 416

Compare specifications (specs)

ATI Radeon HD 4730 ATI Mobility Radeon HD 4870

Essentials

Architecture TeraScale TeraScale
Code name RV770 M98
Launch date 8 June 2009 9 January 2009
Launch price (MSRP) $79
Place in performance rating 590 591
Type Desktop Laptop

Technical info

Core clock speed 750 MHz 550 MHz
Floating-point performance 960.0 gflops 880.0 gflops
Manufacturing process technology 55 nm 55 nm
Pipelines 640 800
Texture fill rate 24 GTexel / s 22 GTexel / s
Thermal Design Power (TDP) 110 Watt
Transistor count 956 million 956 million

Video outputs and ports

Display Connectors 2x DVI, 1x S-Video No outputs

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 PCIe 2.0 x16
Length 241 mm
Supplementary power connectors 1x 6-pin
Laptop size large

API support

DirectX 10.1 10.1
OpenGL 3.3 3.3

Memory

Maximum RAM amount 512 MB 512 MB
Memory bandwidth 57.6 GB / s 56.8 GB / s
Memory bus width 128 Bit 256 Bit
Memory clock speed 3600 MHz 1776 MHz
Memory type GDDR5 GDDR5
Shared memory 0

Technologies

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
Powerplay