AMD Radeon HD 7790 vs AMD Radeon HD 6850

Comparative analysis of AMD Radeon HD 7790 and AMD Radeon HD 6850 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, Geekbench - OpenCL, 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), 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the AMD Radeon HD 7790

  • Videocard is newer: launch date 2 year(s) 5 month(s) later
  • Around 51% higher texture fill rate: 56 GTexel / s vs 37.2 GTexel / s
  • Around 20% better floating-point performance: 1,792 gflops vs 1,488.0 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
  • Around 49% lower typical power consumption: 85 Watt vs 127 Watt
  • Around 57% better performance in PassMark - G3D Mark: 3090 vs 1965
  • Around 6% better performance in PassMark - G2D Mark: 459 vs 432
  • 3.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 40.763 vs 13.033
  • 2.7x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 3.646 vs 1.333
  • Around 94% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 63.284 vs 32.609
  • Around 56% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 217.744 vs 139.45
  • Around 46% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 5087 vs 3489
  • Around 46% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 5087 vs 3489
Specifications (specs)
Launch date 22 March 2013 vs 21 October 2010
Texture fill rate 56 GTexel / s vs 37.2 GTexel / s
Floating-point performance 1,792 gflops vs 1,488.0 gflops
Manufacturing process technology 28 nm vs 40 nm
Thermal Design Power (TDP) 85 Watt vs 127 Watt
Benchmarks
PassMark - G3D Mark 3090 vs 1965
PassMark - G2D Mark 459 vs 432
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 40.763 vs 13.033
CompuBench 1.5 Desktop - T-Rex (Frames/s) 3.646 vs 1.333
CompuBench 1.5 Desktop - Video Composition (Frames/s) 63.284 vs 32.609
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 217.744 vs 139.45
GFXBench 4.0 - Car Chase Offscreen (Frames) 5087 vs 3489
GFXBench 4.0 - Car Chase Offscreen (Fps) 5087 vs 3489

Reasons to consider the AMD Radeon HD 6850

  • Around 7% higher pipelines: 960 vs 896
  • Around 14% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 946.933 vs 828.247
  • 3.8x better performance in GFXBench 4.0 - Manhattan (Frames): 3708 vs 988
  • Around 62% better performance in GFXBench 4.0 - T-Rex (Frames): 3348 vs 2061
  • 3.8x better performance in GFXBench 4.0 - Manhattan (Fps): 3708 vs 988
  • Around 62% better performance in GFXBench 4.0 - T-Rex (Fps): 3348 vs 2061
Specifications (specs)
Pipelines 960 vs 896
Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 946.933 vs 828.247
GFXBench 4.0 - Manhattan (Frames) 3708 vs 988
GFXBench 4.0 - T-Rex (Frames) 3348 vs 2061
GFXBench 4.0 - Manhattan (Fps) 3708 vs 988
GFXBench 4.0 - T-Rex (Fps) 3348 vs 2061

Compare benchmarks

GPU 1: AMD Radeon HD 7790
GPU 2: AMD Radeon HD 6850

PassMark - G3D Mark
GPU 1
GPU 2
3090
1965
PassMark - G2D Mark
GPU 1
GPU 2
459
432
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
40.763
13.033
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
828.247
946.933
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
3.646
1.333
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
63.284
32.609
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
217.744
139.45
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
5087
3489
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
988
3708
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
2061
3348
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
5087
3489
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
988
3708
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
2061
3348
Name AMD Radeon HD 7790 AMD Radeon HD 6850
PassMark - G3D Mark 3090 1965
PassMark - G2D Mark 459 432
Geekbench - OpenCL 14832
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 40.763 13.033
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 828.247 946.933
CompuBench 1.5 Desktop - T-Rex (Frames/s) 3.646 1.333
CompuBench 1.5 Desktop - Video Composition (Frames/s) 63.284 32.609
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 217.744 139.45
GFXBench 4.0 - Car Chase Offscreen (Frames) 5087 3489
GFXBench 4.0 - Manhattan (Frames) 988 3708
GFXBench 4.0 - T-Rex (Frames) 2061 3348
GFXBench 4.0 - Car Chase Offscreen (Fps) 5087 3489
GFXBench 4.0 - Manhattan (Fps) 988 3708
GFXBench 4.0 - T-Rex (Fps) 2061 3348
3DMark Fire Strike - Graphics Score 0 0

Compare specifications (specs)

AMD Radeon HD 7790 AMD Radeon HD 6850

Essentials

Architecture GCN 2.0 TeraScale 2
Code name Bonaire Barts
Design AMD Radeon HD 7000 Series AMD Radeon HD 6000 Series
Launch date 22 March 2013 21 October 2010
Launch price (MSRP) $149 $179
Place in performance rating 837 840
Price now $134.99 $99.99
Type Desktop Desktop
Value for money (0-100) 29.57 28.63

Technical info

Core clock speed 1000 MHz
Floating-point performance 1,792 gflops 1,488.0 gflops
Manufacturing process technology 28 nm 40 nm
Pipelines 896 960
Texture fill rate 56 GTexel / s 37.2 GTexel / s
Thermal Design Power (TDP) 85 Watt 127 Watt
Transistor count 2,080 million 1,700 million

Video outputs and ports

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

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16 PCIe 2.0 x16
Length 183 mm 198 mm
Supplementary power connectors 1x 6-pin 1x 6-pin
Bus support AGP

API support

DirectX 12.0 (12_0) 11
OpenGL 4.5 4.4

Memory

Maximum RAM amount 1 GB 1 GB
Memory bandwidth 96 GB / s 128.0 GB / s
Memory bus width 128 Bit 256 Bit
Memory clock speed 6000 MHz
Memory type GDDR5 GDDR5

Technologies

AMD Eyefinity
CrossFire