ATI Radeon HD 4670 vs ATI Radeon HD 3850

Comparative analysis of ATI Radeon HD 4670 and ATI Radeon HD 3850 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 4670

  • Videocard is newer: launch date 9 month(s) later
  • Around 12% higher core clock speed: 750 MHz vs 668 MHz
  • 2.2x more texture fill rate: 24 GTexel / s vs 10.69 GTexel / s
  • Around 12% better floating-point performance: 480.0 gflops vs 427.5 gflops
  • Around 27% lower typical power consumption: 59 Watt vs 75 Watt
  • Around 23% better performance in PassMark - G2D Mark: 37 vs 30
Specifications (specs)
Launch date 10 September 2008 vs 19 November 2007
Core clock speed 750 MHz vs 668 MHz
Texture fill rate 24 GTexel / s vs 10.69 GTexel / s
Floating-point performance 480.0 gflops vs 427.5 gflops
Thermal Design Power (TDP) 59 Watt vs 75 Watt
Benchmarks
PassMark - G2D Mark 37 vs 30

Reasons to consider the ATI Radeon HD 3850

  • Around 4% higher memory clock speed: 1660 MHz vs 1600 MHz
  • Around 4% better performance in PassMark - G3D Mark: 393 vs 379
  • Around 2% better performance in GFXBench 4.0 - T-Rex (Frames): 3345 vs 3285
  • Around 2% better performance in GFXBench 4.0 - T-Rex (Fps): 3345 vs 3285
Specifications (specs)
Memory clock speed 1660 MHz vs 1600 MHz
Benchmarks
PassMark - G3D Mark 393 vs 379
GFXBench 4.0 - T-Rex (Frames) 3345 vs 3285
GFXBench 4.0 - T-Rex (Fps) 3345 vs 3285

Compare benchmarks

GPU 1: ATI Radeon HD 4670
GPU 2: ATI Radeon HD 3850

PassMark - G3D Mark
GPU 1
GPU 2
379
393
PassMark - G2D Mark
GPU 1
GPU 2
37
30
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3285
3345
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3285
3345
Name ATI Radeon HD 4670 ATI Radeon HD 3850
PassMark - G3D Mark 379 393
PassMark - G2D Mark 37 30
GFXBench 4.0 - T-Rex (Frames) 3285 3345
GFXBench 4.0 - T-Rex (Fps) 3285 3345

Compare specifications (specs)

ATI Radeon HD 4670 ATI Radeon HD 3850

Essentials

Architecture TeraScale TeraScale
Code name RV730 RV670
Launch date 10 September 2008 19 November 2007
Launch price (MSRP) $67 $179
Place in performance rating 1450 1452
Type Desktop Desktop

Technical info

Core clock speed 750 MHz 668 MHz
Floating-point performance 480.0 gflops 427.5 gflops
Manufacturing process technology 55 nm 55 nm
Pipelines 320 320
Texture fill rate 24 GTexel / s 10.69 GTexel / s
Thermal Design Power (TDP) 59 Watt 75 Watt
Transistor count 514 million 666 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
Length 193 mm 208 mm
Supplementary power connectors None 1x 6-pin

API support

DirectX 10.1 10.0
OpenGL 3.3 3.3

Memory

Maximum RAM amount 512 MB 512 MB
Memory bandwidth 25.6 GB / s 53.1 GB / s
Memory bus width 128 Bit 256 Bit
Memory clock speed 1600 MHz 1660 MHz
Memory type GDDR3 GDDR3