NVIDIA GeForce GTX 660 Ti vs AMD Radeon HD 6950

Comparative analysis of NVIDIA GeForce GTX 660 Ti and AMD Radeon HD 6950 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 NVIDIA GeForce GTX 660 Ti

  • Videocard is newer: launch date 1 year(s) 8 month(s) later
  • Around 23% higher boost clock speed: 980 MHz vs 800 MHz
  • Around 46% higher texture fill rate: 102.5 billion / sec vs 70.4 GTexel / s
  • Around 9% better floating-point performance: 2,459.5 gflops vs 2,252.8 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
  • 3.3x lower typical power consumption: 150 Watt vs 500 Watt
  • Around 70% better performance in PassMark - G3D Mark: 4413 vs 2602
  • Around 5% better performance in PassMark - G2D Mark: 468 vs 445
  • 2.5x better performance in Geekbench - OpenCL: 15375 vs 6105
  • 2.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 36.256 vs 16.999
  • Around 14% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1029.267 vs 899.056
  • Around 83% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 3.037 vs 1.659
  • Around 46% better performance in GFXBench 4.0 - Manhattan (Frames): 3684 vs 2523
  • Around 46% better performance in GFXBench 4.0 - Manhattan (Fps): 3684 vs 2523
Specifications (specs)
Launch date 16 August 2012 vs 14 December 2010
Boost clock speed 980 MHz vs 800 MHz
Texture fill rate 102.5 billion / sec vs 70.4 GTexel / s
Floating-point performance 2,459.5 gflops vs 2,252.8 gflops
Manufacturing process technology 28 nm vs 40 nm
Thermal Design Power (TDP) 150 Watt vs 500 Watt
Benchmarks
PassMark - G3D Mark 4413 vs 2602
PassMark - G2D Mark 468 vs 445
Geekbench - OpenCL 15375 vs 6105
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 36.256 vs 16.999
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1029.267 vs 899.056
CompuBench 1.5 Desktop - T-Rex (Frames/s) 3.037 vs 1.659
GFXBench 4.0 - Manhattan (Frames) 3684 vs 2523
GFXBench 4.0 - Manhattan (Fps) 3684 vs 2523

Reasons to consider the AMD Radeon HD 6950

  • Around 5% higher pipelines: 1408 vs 1344
  • 208.3x more memory clock speed: 1250 MHz vs 6.0 GB/s
  • Around 8% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 49.698 vs 45.894
  • 3.1x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 251.203 vs 82.191
  • Around 11% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 3652 vs 3285
  • 3.5x better performance in GFXBench 4.0 - T-Rex (Frames): 11657 vs 3337
  • Around 11% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 3652 vs 3285
  • 3.5x better performance in GFXBench 4.0 - T-Rex (Fps): 11657 vs 3337
Specifications (specs)
Pipelines 1408 vs 1344
Memory clock speed 1250 MHz vs 6.0 GB/s
Benchmarks
CompuBench 1.5 Desktop - Video Composition (Frames/s) 49.698 vs 45.894
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 251.203 vs 82.191
GFXBench 4.0 - Car Chase Offscreen (Frames) 3652 vs 3285
GFXBench 4.0 - T-Rex (Frames) 11657 vs 3337
GFXBench 4.0 - Car Chase Offscreen (Fps) 3652 vs 3285
GFXBench 4.0 - T-Rex (Fps) 11657 vs 3337

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 660 Ti
GPU 2: AMD Radeon HD 6950

PassMark - G3D Mark
GPU 1
GPU 2
4413
2602
PassMark - G2D Mark
GPU 1
GPU 2
468
445
Geekbench - OpenCL
GPU 1
GPU 2
15375
6105
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
36.256
16.999
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
1029.267
899.056
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
3.037
1.659
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
45.894
49.698
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
82.191
251.203
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
3285
3652
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
3684
2523
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3337
11657
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
3285
3652
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
3684
2523
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3337
11657
Name NVIDIA GeForce GTX 660 Ti AMD Radeon HD 6950
PassMark - G3D Mark 4413 2602
PassMark - G2D Mark 468 445
Geekbench - OpenCL 15375 6105
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 36.256 16.999
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1029.267 899.056
CompuBench 1.5 Desktop - T-Rex (Frames/s) 3.037 1.659
CompuBench 1.5 Desktop - Video Composition (Frames/s) 45.894 49.698
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 82.191 251.203
GFXBench 4.0 - Car Chase Offscreen (Frames) 3285 3652
GFXBench 4.0 - Manhattan (Frames) 3684 2523
GFXBench 4.0 - T-Rex (Frames) 3337 11657
GFXBench 4.0 - Car Chase Offscreen (Fps) 3285 3652
GFXBench 4.0 - Manhattan (Fps) 3684 2523
GFXBench 4.0 - T-Rex (Fps) 3337 11657
3DMark Fire Strike - Graphics Score 1615 0

Compare specifications (specs)

NVIDIA GeForce GTX 660 Ti AMD Radeon HD 6950

Essentials

Architecture Kepler TeraScale 3
Code name GK104 Cayman
Launch date 16 August 2012 14 December 2010
Launch price (MSRP) $299 $299
Place in performance rating 701 686
Price now $321.99 $89.99
Type Desktop Desktop
Value for money (0-100) 17.34 45.34
Design AMD Radeon HD 6000 Series

Technical info

Boost clock speed 980 MHz 800 MHz
Core clock speed 915 MHz
CUDA cores 1344
Floating-point performance 2,459.5 gflops 2,252.8 gflops
Manufacturing process technology 28 nm 40 nm
Pipelines 1344 1408
Texture fill rate 102.5 billion / sec 70.4 GTexel / s
Thermal Design Power (TDP) 150 Watt 500 Watt
Transistor count 3,540 million 2,640 million

Video outputs and ports

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

Compatibility, dimensions and requirements

Bus support PCI Express 3.0 PCIe 2.0 x16
Height 4.376" (11.1 cm)
Interface PCIe 3.0 x16 PCIe 2.0 x16
Length 9.5" (24.1 cm) 267 mm
SLI options 3-way
Supplementary power connectors Two 6-pin 2x 6-pin

API support

DirectX 12.0 (11_0) 11
OpenGL 4.3 4.4

Memory

Maximum RAM amount 2 GB 2 GB
Memory bandwidth 144.2 GB / s
Memory bus width 192-bit GDDR5 256 Bit
Memory clock speed 6.0 GB/s 1250 MHz
Memory type GDDR5 GDDR5
Shared memory 0

Technologies

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