ATI Radeon HD 3750 vs ATI Radeon HD 4650

Comparative analysis of ATI Radeon HD 3750 and ATI Radeon HD 4650 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: PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the ATI Radeon HD 3750

  • Around 33% higher core clock speed: 796 MHz vs 600 MHz
  • 2x more maximum memory size: 512 MB vs 256 MB
Core clock speed 796 MHz vs 600 MHz
Maximum memory size 512 MB vs 256 MB

Reasons to consider the ATI Radeon HD 4650

  • 3x more texture fill rate: 19.2 GTexel / s vs 6.37 GTexel / s
  • 2.7x more pipelines: 320 vs 120
  • 2x better floating-point performance: 384.0 gflops vs 191.04 gflops
  • Around 35% lower typical power consumption: 48 Watt vs 65 Watt
  • Around 1% higher memory clock speed: 1400 MHz vs 1386 MHz
Texture fill rate 19.2 GTexel / s vs 6.37 GTexel / s
Pipelines 320 vs 120
Floating-point performance 384.0 gflops vs 191.04 gflops
Thermal Design Power (TDP) 48 Watt vs 65 Watt
Memory clock speed 1400 MHz vs 1386 MHz

Compare benchmarks

GPU 1: ATI Radeon HD 3750
GPU 2: ATI Radeon HD 4650

Name ATI Radeon HD 3750 ATI Radeon HD 4650
PassMark - G3D Mark 238
PassMark - G2D Mark 30
GFXBench 4.0 - T-Rex (Frames) 1891
GFXBench 4.0 - T-Rex (Fps) 1891

Compare specifications (specs)

ATI Radeon HD 3750 ATI Radeon HD 4650

Essentials

Architecture TeraScale TeraScale
Code name RV635 RV730
Launch date 11 September 2008 10 September 2008
Place in performance rating not rated 1590
Type Desktop Desktop

Technical info

Core clock speed 796 MHz 600 MHz
Floating-point performance 191.04 gflops 384.0 gflops
Manufacturing process technology 55 nm 55 nm
Pipelines 120 320
Texture fill rate 6.37 GTexel / s 19.2 GTexel / s
Thermal Design Power (TDP) 65 Watt 48 Watt
Transistor count 378 million 514 million

Video outputs and ports

Display Connectors 2x DVI, 1x S-Video 2x DVI, 1x S-Video

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors None
Length 193 mm

API support

DirectX 10.1 10.1
OpenGL 3.3 3.3

Memory

Maximum RAM amount 512 MB 256 MB
Memory bandwidth 22.18 GB / s 22.4 GB / s
Memory bus width 128 Bit 128 Bit
Memory clock speed 1386 MHz 1400 MHz
Memory type GDDR3 GDDR3

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