NVIDIA GeForce GT 640 OEM Rebrand vs ATI Radeon HD 3450

Comparative analysis of NVIDIA GeForce GT 640 OEM Rebrand and ATI Radeon HD 3450 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: 3DMark Fire Strike - Graphics Score, PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the NVIDIA GeForce GT 640 OEM Rebrand

  • Videocard is newer: launch date 4 year(s) 4 month(s) later
  • Around 20% higher core clock speed: 720 MHz vs 600 MHz
  • 7.2x more texture fill rate: 17.28 GTexel / s vs 2.4 GTexel / s
  • 3.6x more pipelines: 144 vs 40
  • 8.6x better floating-point performance: 414.7 gflops vs 48 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 55 nm
  • 6x more maximum memory size: 1536 MB vs 256 MB
  • Around 60% higher memory clock speed: 1600 MHz vs 1000 MHz
Launch date 24 April 2012 vs 10 December 2007
Core clock speed 720 MHz vs 600 MHz
Texture fill rate 17.28 GTexel / s vs 2.4 GTexel / s
Pipelines 144 vs 40
Floating-point performance 414.7 gflops vs 48 gflops
Manufacturing process technology 40 nm vs 55 nm
Maximum memory size 1536 MB vs 256 MB
Memory clock speed 1600 MHz vs 1000 MHz

Reasons to consider the ATI Radeon HD 3450

  • 3x lower typical power consumption: 25 Watt vs 75 Watt
Thermal Design Power (TDP) 25 Watt vs 75 Watt

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640 OEM Rebrand
GPU 2: ATI Radeon HD 3450

Name NVIDIA GeForce GT 640 OEM Rebrand ATI Radeon HD 3450
3DMark Fire Strike - Graphics Score 410
PassMark - G3D Mark 155
PassMark - G2D Mark 25
GFXBench 4.0 - T-Rex (Frames) 735
GFXBench 4.0 - T-Rex (Fps) 735

Compare specifications (specs)

NVIDIA GeForce GT 640 OEM Rebrand ATI Radeon HD 3450

Essentials

Architecture Fermi 2.0 TeraScale
Code name GF116 RV620
Launch date 24 April 2012 10 December 2007
Place in performance rating 1678 1680
Type Desktop Desktop

Technical info

Core clock speed 720 MHz 600 MHz
Floating-point performance 414.7 gflops 48 gflops
Manufacturing process technology 40 nm 55 nm
Pipelines 144 40
Texture fill rate 17.28 GTexel / s 2.4 GTexel / s
Thermal Design Power (TDP) 75 Watt 25 Watt
Transistor count 1,170 million 181 million

Video outputs and ports

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

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 PCIe 2.0 x16
Length 145 mm
Supplementary power connectors None None

API support

DirectX 12.0 (11_0) 10.1
OpenGL 4.6 3.3

Memory

Maximum RAM amount 1536 MB 256 MB
Memory bandwidth 38.4 GB / s 8 GB / s
Memory bus width 192 Bit 64 Bit
Memory clock speed 1600 MHz 1000 MHz
Memory type DDR3 DDR2