NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 285

Comparative analysis of NVIDIA GeForce GT 640 and NVIDIA GeForce GTX 285 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 GT 640

  • Videocard is newer: launch date 3 year(s) 5 month(s) later
  • Around 60% higher pipelines: 384 vs 240
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
  • 3.1x lower typical power consumption: 65 Watt vs 204 Watt
  • 2x more maximum memory size: 2 GB vs 1 GB
  • Around 43% higher memory clock speed: 1782 MHz vs 1242 MHz
  • 4x better performance in PassMark - G2D Mark: 293 vs 73
Specifications (specs)
Launch date 5 June 2012 vs 23 December 2008
Pipelines 384 vs 240
Manufacturing process technology 28 nm vs 55 nm
Thermal Design Power (TDP) 65 Watt vs 204 Watt
Maximum memory size 2 GB vs 1 GB
Memory clock speed 1782 MHz vs 1242 MHz
Benchmarks
PassMark - G2D Mark 293 vs 73

Reasons to consider the NVIDIA GeForce GTX 285

  • Around 64% higher core clock speed: 1476 MHz vs 902 MHz
  • Around 79% higher texture fill rate: 51.8 billion / sec vs 28.86 GTexel / s
  • Around 2% better floating-point performance: 708.5 gflops vs 692.7 gflops
  • Around 29% better performance in PassMark - G3D Mark: 1513 vs 1176
  • 5.9x better performance in Geekbench - OpenCL: 22124 vs 3731
  • Around 1% better performance in GFXBench 4.0 - T-Rex (Frames): 3347 vs 3328
  • Around 1% better performance in GFXBench 4.0 - T-Rex (Fps): 3347 vs 3328
Specifications (specs)
Core clock speed 1476 MHz vs 902 MHz
Texture fill rate 51.8 billion / sec vs 28.86 GTexel / s
Floating-point performance 708.5 gflops vs 692.7 gflops
Benchmarks
PassMark - G3D Mark 1513 vs 1176
Geekbench - OpenCL 22124 vs 3731
GFXBench 4.0 - T-Rex (Frames) 3347 vs 3328
GFXBench 4.0 - T-Rex (Fps) 3347 vs 3328

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640
GPU 2: NVIDIA GeForce GTX 285

PassMark - G3D Mark
GPU 1
GPU 2
1176
1513
PassMark - G2D Mark
GPU 1
GPU 2
293
73
Geekbench - OpenCL
GPU 1
GPU 2
3731
22124
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3328
3347
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3328
3347
Name NVIDIA GeForce GT 640 NVIDIA GeForce GTX 285
PassMark - G3D Mark 1176 1513
PassMark - G2D Mark 293 73
Geekbench - OpenCL 3731 22124
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 11.448
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 206.777
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.792
CompuBench 1.5 Desktop - Video Composition (Frames/s) 14.637
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 20.86
GFXBench 4.0 - Car Chase Offscreen (Frames) 2134
GFXBench 4.0 - Manhattan (Frames) 2375
GFXBench 4.0 - T-Rex (Frames) 3328 3347
GFXBench 4.0 - Car Chase Offscreen (Fps) 2134
GFXBench 4.0 - Manhattan (Fps) 2375
GFXBench 4.0 - T-Rex (Fps) 3328 3347
3DMark Fire Strike - Graphics Score 1565

Compare specifications (specs)

NVIDIA GeForce GT 640 NVIDIA GeForce GTX 285

Essentials

Architecture Kepler Tesla 2.0
Code name GK107 GT200B
Launch date 5 June 2012 23 December 2008
Launch price (MSRP) $99 $359
Place in performance rating 1200 1201
Price now $59.99 $179.99
Type Desktop Desktop
Value for money (0-100) 25.25 9.17

Technical info

Core clock speed 902 MHz 1476 MHz
Floating-point performance 692.7 gflops 708.5 gflops
Manufacturing process technology 28 nm 55 nm
Pipelines 384 240
Texture fill rate 28.86 GTexel / s 51.8 billion / sec
Thermal Design Power (TDP) 65 Watt 204 Watt
Transistor count 1,270 million 1,400 million
CUDA cores 240
Maximum GPU temperature 105 °C

Video outputs and ports

Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 2x DVI, 1x S-Video, HDTVTwo Dual Link DVI
Audio input for HDMI S / PDIF
HDMI
Maximum VGA resolution 2048x1536
Multi monitor support

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16 PCIe 2.0 x16
Length 145 mm 10.5" (267 mm) (26.7 cm)
Supplementary power connectors None 2x 6-pin
Height 4.376" (111 mm) (11.1 cm)
SLI options 2-way3-way

API support

DirectX 12.0 (11_0) 10.0
OpenGL 4.6 2.1

Memory

Maximum RAM amount 2 GB 1 GB
Memory bandwidth 28.51 GB / s 159.0 GB / s
Memory bus width 128 Bit 512 Bit
Memory clock speed 1782 MHz 1242 MHz
Memory type DDR3 GDDR3

Technologies

3D Vision
CUDA
High Dynamic-Range Lighting (HDRR) 128bit
SLI