AMD Radeon HD 6870 X2 vs NVIDIA GeForce 8600 GT

Comparative analysis of AMD Radeon HD 6870 X2 and NVIDIA GeForce 8600 GT 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: CompuBench 1.5 Desktop - T-Rex (Frames/s), PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the AMD Radeon HD 6870 X2

  • Videocard is newer: launch date 4 year(s) 2 month(s) later
  • Around 67% higher core clock speed: 900 MHz vs 540 MHz
  • 29.1x more texture fill rate: 2x 50.4 GTexel / s billion / sec vs 8.6 billion / sec
  • 70x more pipelines: 2x 1120 vs 32
  • 52.9x better floating-point performance: 2x 2,016.0 gflops vs 76.16 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 80 nm
  • 4x more maximum memory size: 2x 1 GB vs 512 MB
  • 6x more memory clock speed: 4200 MHz vs 700 MHz
Launch date 8 July 2011 vs 17 April 2007
Core clock speed 900 MHz vs 540 MHz
Texture fill rate 2x 50.4 GTexel / s billion / sec vs 8.6 billion / sec
Pipelines 2x 1120 vs 32
Floating-point performance 2x 2,016.0 gflops vs 76.16 gflops
Manufacturing process technology 40 nm vs 80 nm
Maximum memory size 2x 1 GB vs 512 MB
Memory clock speed 4200 MHz vs 700 MHz

Reasons to consider the NVIDIA GeForce 8600 GT

  • 6.4x lower typical power consumption: 47 Watt vs 300 Watt
Thermal Design Power (TDP) 47 Watt vs 300 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 6870 X2
GPU 2: NVIDIA GeForce 8600 GT

Name AMD Radeon HD 6870 X2 NVIDIA GeForce 8600 GT
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.807
PassMark - G3D Mark 123
PassMark - G2D Mark 43
GFXBench 4.0 - Manhattan (Frames) 449
GFXBench 4.0 - Manhattan (Fps) 449
GFXBench 4.0 - T-Rex (Frames) 1397
GFXBench 4.0 - T-Rex (Fps) 1397

Compare specifications (specs)

AMD Radeon HD 6870 X2 NVIDIA GeForce 8600 GT

Essentials

Architecture TeraScale 2 Tesla
Code name Barts G84
Launch date 8 July 2011 17 April 2007
Launch price (MSRP) $520 $159
Place in performance rating 1622 1624
Type Desktop Desktop

Technical info

Core clock speed 900 MHz 540 MHz
Floating-point performance 2x 2,016.0 gflops 76.16 gflops
Manufacturing process technology 40 nm 80 nm
Pipelines 2x 1120 32
Texture fill rate 2x 50.4 GTexel / s billion / sec 8.6 billion / sec
Thermal Design Power (TDP) 300 Watt 47 Watt
Transistor count 1,700 million 289 million

Video outputs and ports

Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x S-Video

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 PCIe 1.0 x16
Length 304 mm 170 mm
Supplementary power connectors None

API support

DirectX 11.2 (11_0) 10.0
OpenGL 4.4 2.1

Memory

Maximum RAM amount 2x 1 GB 512 MB
Memory bandwidth 2x 134.4 GB / s 22.4 GB / s
Memory bus width 2x 256 Bit 128 Bit
Memory clock speed 4200 MHz 700 MHz
Memory type GDDR5 GDDR3
Standard memory config per GPU 256 MB

Technologies

SLI