AMD Radeon HD 6750 vs ATI Radeon HD 4890

Comparative analysis of AMD Radeon HD 6750 and ATI Radeon HD 4890 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the AMD Radeon HD 6750

  • Videocard is newer: launch date 1 year(s) 9 month(s) later
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 55 nm
  • 2.2x lower typical power consumption: 86 Watt vs 190 Watt
  • 4.2x better performance in PassMark - G2D Mark: 280 vs 66
Specifications (specs)
Launch date 21 January 2011 vs 2 April 2009
Manufacturing process technology 40 nm vs 55 nm
Thermal Design Power (TDP) 86 Watt vs 190 Watt
Benchmarks
PassMark - G2D Mark 280 vs 66
GFXBench 4.0 - T-Rex (Frames) 3358 vs 3348
GFXBench 4.0 - T-Rex (Fps) 3358 vs 3348

Reasons to consider the ATI Radeon HD 4890

  • Around 35% higher texture fill rate: 34.0 GTexel / s vs 25.2 GTexel / s
  • Around 11% higher pipelines: 800 vs 720
  • Around 35% better floating-point performance: 1,360.0 gflops vs 1,008.0 gflops
  • 3.7x more memory clock speed: 3900 MHz vs 1050 MHz
  • Around 47% better performance in PassMark - G3D Mark: 1539 vs 1045
Specifications (specs)
Texture fill rate 34.0 GTexel / s vs 25.2 GTexel / s
Pipelines 800 vs 720
Floating-point performance 1,360.0 gflops vs 1,008.0 gflops
Memory clock speed 3900 MHz vs 1050 MHz
Benchmarks
PassMark - G3D Mark 1539 vs 1045

Compare benchmarks

GPU 1: AMD Radeon HD 6750
GPU 2: ATI Radeon HD 4890

PassMark - G3D Mark
GPU 1
GPU 2
1045
1539
PassMark - G2D Mark
GPU 1
GPU 2
280
66
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3358
3348
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3358
3348
Name AMD Radeon HD 6750 ATI Radeon HD 4890
PassMark - G3D Mark 1045 1539
PassMark - G2D Mark 280 66
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 8.039
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 544.041
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.867
CompuBench 1.5 Desktop - Video Composition (Frames/s) 20.664
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 91.074
GFXBench 4.0 - Car Chase Offscreen (Frames) 2100
GFXBench 4.0 - Manhattan (Frames) 3378
GFXBench 4.0 - T-Rex (Frames) 3358 3348
GFXBench 4.0 - Car Chase Offscreen (Fps) 2100
GFXBench 4.0 - Manhattan (Fps) 3378
GFXBench 4.0 - T-Rex (Fps) 3358 3348

Compare specifications (specs)

AMD Radeon HD 6750 ATI Radeon HD 4890

Essentials

Architecture TeraScale 2 TeraScale
Code name Juniper RV790
Design AMD Radeon HD 6000 Series
Launch date 21 January 2011 2 April 2009
Launch price (MSRP) $49.99 $249
Place in performance rating 1020 1258
Price now $49.99
Type Desktop Desktop
Value for money (0-100) 33.46

Technical info

Boost clock speed 900 MHz
Floating-point performance 1,008.0 gflops 1,360.0 gflops
Manufacturing process technology 40 nm 55 nm
Pipelines 720 800
Texture fill rate 25.2 GTexel / s 34.0 GTexel / s
Thermal Design Power (TDP) 86 Watt 190 Watt
Transistor count 1,040 million 959 million
Core clock speed 850 MHz

Video outputs and ports

Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x S-Video
DisplayPort support
Dual-link DVI support
Eyefinity
HDMI
VGA

Compatibility, dimensions and requirements

Bus support PCIe 2.0 x16
Interface PCIe 2.0 x16 PCIe 2.0 x16
Length 170 mm 241 mm
Supplementary power connectors 1x 6-pin 2x 6-pin

API support

DirectX 11 10.1
OpenGL 4.4 3.3

Memory

Maximum RAM amount 1 GB 1 GB
Memory bandwidth 73.6 GB / s 124.8 GB / s
Memory bus width 128 Bit 256 Bit
Memory clock speed 1050 MHz 3900 MHz
Memory type GDDR5 GDDR5

Technologies

AMD Eyefinity
CrossFire