ATI Mobility Radeon HD 4670 Mac Edition vs ATI Radeon HD 4750

Comparative analysis of ATI Mobility Radeon HD 4670 Mac Edition and ATI Radeon HD 4750 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

 

Differences

Reasons to consider the ATI Mobility Radeon HD 4670 Mac Edition

  • 2.9x lower typical power consumption: 35 Watt vs 100 Watt
Thermal Design Power (TDP) 35 Watt vs 100 Watt

Reasons to consider the ATI Radeon HD 4750

  • Around 7% higher core clock speed: 730 MHz vs 680 MHz
  • Around 7% higher texture fill rate: 23.36 GTexel / s vs 21.76 GTexel / s
  • 2x more pipelines: 640 vs 320
  • 2.1x better floating-point performance: 934.4 gflops vs 435.2 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 55 nm
  • 2x more maximum memory size: 512 MB vs 256 MB
  • 2x more memory clock speed: 3200 MHz vs 1580 MHz
Core clock speed 730 MHz vs 680 MHz
Texture fill rate 23.36 GTexel / s vs 21.76 GTexel / s
Pipelines 640 vs 320
Floating-point performance 934.4 gflops vs 435.2 gflops
Manufacturing process technology 40 nm vs 55 nm
Maximum memory size 512 MB vs 256 MB
Memory clock speed 3200 MHz vs 1580 MHz

Compare specifications (specs)

ATI Mobility Radeon HD 4670 Mac Edition ATI Radeon HD 4750

Essentials

Architecture TeraScale TeraScale
Code name M96 RV740
Launch date 16 September 2009 9 September 2009
Place in performance rating not rated not rated
Type Desktop Desktop

Technical info

Core clock speed 680 MHz 730 MHz
Floating-point performance 435.2 gflops 934.4 gflops
Manufacturing process technology 55 nm 40 nm
Pipelines 320 640
Texture fill rate 21.76 GTexel / s 23.36 GTexel / s
Thermal Design Power (TDP) 35 Watt 100 Watt
Transistor count 514 million 826 million

Video outputs and ports

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

Compatibility, dimensions and requirements

Interface MXM-A (3.0) PCIe 2.0 x16
Supplementary power connectors 1x 6-pin

API support

DirectX 10.1 10.1
OpenGL 3.3 3.3

Memory

Maximum RAM amount 256 MB 512 MB
Memory bandwidth 25.28 GB / s 51.2 GB / s
Memory bus width 128 Bit 128 Bit
Memory clock speed 1580 MHz 3200 MHz
Memory type GDDR3 GDDR5

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