NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon HD 7450 OEM

Comparative analysis of NVIDIA GeForce GTX 660 Rev. 2 and AMD Radeon HD 7450 OEM videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/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 NVIDIA GeForce GTX 660 Rev. 2

  • Videocard is newer: launch date 2 year(s) 8 month(s) later
  • Around 57% higher core clock speed: 980 MHz vs 625 MHz
  • 16.5x more texture fill rate: 82.56 GTexel / s vs 5 GTexel / s
  • 6x more pipelines: 960 vs 160
  • 9.9x better floating-point performance: 1,981 gflops vs 200.0 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
  • 4x more maximum memory size: 2 GB vs 512 MB
  • 5.6x more memory clock speed: 6008 MHz vs 1066 MHz
Launch date 13 September 2014 vs 5 January 2012
Core clock speed 980 MHz vs 625 MHz
Texture fill rate 82.56 GTexel / s vs 5 GTexel / s
Pipelines 960 vs 160
Floating-point performance 1,981 gflops vs 200.0 gflops
Manufacturing process technology 28 nm vs 40 nm
Maximum memory size 2 GB vs 512 MB
Memory clock speed 6008 MHz vs 1066 MHz

Reasons to consider the AMD Radeon HD 7450 OEM

  • 7.8x lower typical power consumption: 18 Watt vs 140 Watt
Thermal Design Power (TDP) 18 Watt vs 140 Watt

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 660 Rev. 2
GPU 2: AMD Radeon HD 7450 OEM

Name NVIDIA GeForce GTX 660 Rev. 2 AMD Radeon HD 7450 OEM
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 39.216
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.173
PassMark - G3D Mark 225
PassMark - G2D Mark 146
Geekbench - OpenCL 635
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 99.563
GFXBench 4.0 - Car Chase Offscreen (Frames) 443
GFXBench 4.0 - Manhattan (Frames) 919
GFXBench 4.0 - T-Rex (Frames) 1626
GFXBench 4.0 - Car Chase Offscreen (Fps) 443
GFXBench 4.0 - Manhattan (Fps) 919
GFXBench 4.0 - T-Rex (Fps) 1626

Compare specifications (specs)

NVIDIA GeForce GTX 660 Rev. 2 AMD Radeon HD 7450 OEM

Essentials

Architecture Kepler TeraScale 2
Code name GK104 Caicos
Launch date 13 September 2014 5 January 2012
Place in performance rating 1512 1515
Type Desktop Desktop

Technical info

Boost clock speed 1032 MHz
Core clock speed 980 MHz 625 MHz
Floating-point performance 1,981 gflops 200.0 gflops
Manufacturing process technology 28 nm 40 nm
Pipelines 960 160
Texture fill rate 82.56 GTexel / s 5 GTexel / s
Thermal Design Power (TDP) 140 Watt 18 Watt
Transistor count 3,540 million 370 million

Video outputs and ports

Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 1x HDMI

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16 PCIe 2.0 x16
Length 241 mm 168 mm
Supplementary power connectors 1x 6-pin None

API support

DirectX 12.0 (11_0) 11.2 (11_0)
OpenGL 4.6 4.4

Memory

Maximum RAM amount 2 GB 512 MB
Memory bandwidth 144.2 GB / s 8.528 GB / s
Memory bus width 192 Bit 64 Bit
Memory clock speed 6008 MHz 1066 MHz
Memory type GDDR5 GDDR3