AMD Radeon HD 6850 1440SP Edition vs NVIDIA GeForce GTX 660 Ti

Comparative analysis of AMD Radeon HD 6850 1440SP Edition and NVIDIA GeForce GTX 660 Ti 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 6850 1440SP Edition

  • Around 7% higher pipelines: 1440 vs 1344
  • 666.7x more memory clock speed: 4000 MHz vs 6.0 GB/s
Pipelines 1440 vs 1344
Memory clock speed 4000 MHz vs 6.0 GB/s

Reasons to consider the NVIDIA GeForce GTX 660 Ti

  • Around 26% higher core clock speed: 915 MHz vs 725 MHz
  • Around 96% higher texture fill rate: 102.5 billion / sec vs 52.2 GTexel / s
  • Around 18% better floating-point performance: 2,459.5 gflops vs 2,088 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
  • Around 1% lower typical power consumption: 150 Watt vs 151 Watt
  • 2x more maximum memory size: 2 GB vs 1 GB
Core clock speed 915 MHz vs 725 MHz
Texture fill rate 102.5 billion / sec vs 52.2 GTexel / s
Floating-point performance 2,459.5 gflops vs 2,088 gflops
Manufacturing process technology 28 nm vs 40 nm
Thermal Design Power (TDP) 150 Watt vs 151 Watt
Maximum memory size 2 GB vs 1 GB

Compare benchmarks

GPU 1: AMD Radeon HD 6850 1440SP Edition
GPU 2: NVIDIA GeForce GTX 660 Ti

Name AMD Radeon HD 6850 1440SP Edition NVIDIA GeForce GTX 660 Ti
PassMark - G3D Mark 4426
PassMark - G2D Mark 465
Geekbench - OpenCL 15328
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 36.256
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1029.267
CompuBench 1.5 Desktop - T-Rex (Frames/s) 3.037
CompuBench 1.5 Desktop - Video Composition (Frames/s) 45.894
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 82.191
GFXBench 4.0 - Car Chase Offscreen (Frames) 3285
GFXBench 4.0 - Manhattan (Frames) 3684
GFXBench 4.0 - T-Rex (Frames) 3337
GFXBench 4.0 - Car Chase Offscreen (Fps) 3285
GFXBench 4.0 - Manhattan (Fps) 3684
GFXBench 4.0 - T-Rex (Fps) 3337
3DMark Fire Strike - Graphics Score 1616

Compare specifications (specs)

AMD Radeon HD 6850 1440SP Edition NVIDIA GeForce GTX 660 Ti

Essentials

Architecture TeraScale 2 Kepler
Code name Cypress GK104
Launch date 21 August 2012 16 August 2012
Place in performance rating not rated 745
Type Desktop Desktop
Launch price (MSRP) $299
Price now $321.99
Value for money (0-100) 17.34

Technical info

Core clock speed 725 MHz 915 MHz
Floating-point performance 2,088 gflops 2,459.5 gflops
Manufacturing process technology 40 nm 28 nm
Pipelines 1440 1344
Texture fill rate 52.2 GTexel / s 102.5 billion / sec
Thermal Design Power (TDP) 151 Watt 150 Watt
Transistor count 2,154 million 3,540 million
Boost clock speed 980 MHz
CUDA cores 1344

Video outputs and ports

Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort, One Dual Link DVI-I, One Dual Link DVI-D, One HDMI...
Audio input for HDMI Internal
G-SYNC support
HDCP
HDMI
Maximum VGA resolution 2048x1536
Multi monitor support

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 PCIe 3.0 x16
Length 241 mm 9.5" (24.1 cm)
Supplementary power connectors 2x 6-pin Two 6-pin
Bus support PCI Express 3.0
Height 4.376" (11.1 cm)
SLI options 3-way

API support

DirectX 11.2 (11_0) 12.0 (11_0)
OpenGL 4.4 4.3

Memory

Maximum RAM amount 1 GB 2 GB
Memory bandwidth 128.0 GB / s 144.2 GB / s
Memory bus width 256 Bit 192-bit GDDR5
Memory clock speed 4000 MHz 6.0 GB/s
Memory type GDDR5 GDDR5
Shared memory 0

Technologies

3D Blu-Ray
3D Gaming
3D Vision
Adaptive VSync
CUDA
FXAA
GPU Boost
SLI
TXAA