NVIDIA GeForce GTX 645 OEM videocard review

NVIDIA GeForce GTX 645 OEM

GeForce GTX 645 OEM videocard released by NVIDIA; release date: 22 April 2013. The videocard is designed for desktop-computers and based on Kepler microarchitecture codenamed GK106.

Core clock speed - 824 MHz. Texture fill rate - 39.55 GTexel / s. Pipelines - 576. Floating-point performance - 949.2 gflops. Manufacturing process technology - 28 nm. Transistors count - 2,540 million. Power consumption (TDP) - 65 Watt.

Memory type: GDDR5. Maximum RAM amount - 1 GB. Memory bus width - 128 Bit. Memory clock speed - 4000 MHz. Memory bandwidth - 64 GB / s.

Benchmarks

PassMark
G3D Mark
Top 1 GPU
This GPU
38588
1882
PassMark
G2D Mark
Top 1 GPU
This GPU
1295
431
Geekbench
OpenCL
Top 1 GPU
This GPU
345150
5238
CompuBench 1.5 Desktop
Face Detection
Top 1 GPU
This GPU
939.363 mPixels/s
13.806 mPixels/s
CompuBench 1.5 Desktop
Ocean Surface Simulation
Top 1 GPU
This GPU
14101.507 Frames/s
546.510 Frames/s
CompuBench 1.5 Desktop
T-Rex
Top 1 GPU
This GPU
95.851 Frames/s
1.535 Frames/s
CompuBench 1.5 Desktop
Video Composition
Top 1 GPU
This GPU
530.303 Frames/s
27.524 Frames/s
CompuBench 1.5 Desktop
Bitcoin Mining
Top 1 GPU
This GPU
4429.590 mHash/s
38.664 mHash/s
GFXBench 4.0
Car Chase Offscreen
Top 1 GPU
This GPU
34770 Frames
1435 Frames
GFXBench 4.0
Manhattan
Top 1 GPU
This GPU
27823 Frames
3531 Frames
GFXBench 4.0
T-Rex
Top 1 GPU
This GPU
69225 Frames
3300 Frames
GFXBench 4.0
Car Chase Offscreen
Top 1 GPU
This GPU
34770.000 Fps
1435.000 Fps
GFXBench 4.0
Manhattan
Top 1 GPU
This GPU
27823.000 Fps
3531.000 Fps
GFXBench 4.0
T-Rex
Top 1 GPU
This GPU
69225.000 Fps
3300.000 Fps
Name Value
PassMark - G3D Mark 1882
PassMark - G2D Mark 431
Geekbench - OpenCL 5238
CompuBench 1.5 Desktop - Face Detection 13.806 mPixels/s
CompuBench 1.5 Desktop - Ocean Surface Simulation 546.510 Frames/s
CompuBench 1.5 Desktop - T-Rex 1.535 Frames/s
CompuBench 1.5 Desktop - Video Composition 27.524 Frames/s
CompuBench 1.5 Desktop - Bitcoin Mining 38.664 mHash/s
GFXBench 4.0 - Car Chase Offscreen 1435 Frames
GFXBench 4.0 - Manhattan 3531 Frames
GFXBench 4.0 - T-Rex 3300 Frames
GFXBench 4.0 - Car Chase Offscreen 1435.000 Fps
GFXBench 4.0 - Manhattan 3531.000 Fps
GFXBench 4.0 - T-Rex 3300.000 Fps

Specifications (specs)

Essentials

Architecture Kepler
Code name GK106
Launch date 22 April 2013
Place in performance rating 977
Type Desktop

Technical info

Core clock speed 824 MHz
Floating-point performance 949.2 gflops
Manufacturing process technology 28 nm
Pipelines 576
Texture fill rate 39.55 GTexel / s
Thermal Design Power (TDP) 65 Watt
Transistor count 2,540 million

Video outputs and ports

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

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16
Length 147 mm
Supplementary power connectors None

API support

DirectX 12.0 (11_0)
OpenGL 4.6

Memory

Maximum RAM amount 1 GB
Memory bandwidth 64 GB / s
Memory bus width 128 Bit
Memory clock speed 4000 MHz
Memory type GDDR5