NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GTX 560 Ti OEM

Table of Contents

Graphics Processor

GPU model GF114 GF110
Architecture Fermi 2.0 Fermi 2.0
Foundry TSMC TSMC
Manufacturing process 40 nm 40 nm
Number of transistors 1,950 million 3,000 million
Die size 332 mm² 520 mm²

Graphics Card

Release date Apr 24th, 2012 Mar 30th, 2011
Generation GeForce 600 GeForce 500
Production End-of-life End-of-life
Interface PCIe 2.0 x16 PCIe 2.0 x16
Predecessor GeForce 500 GeForce 400
Successor GeForce 700 GeForce 600
Reviews 122 in our database

Clocks

GPU clock 776 MHz 732 MHz
Shader clock 1552 MHz 1464 MHz
Memory clock 957 MHz 3.8 Gbps effective 950 MHz 3.8 Gbps effective

Memory Configuration

Memory size 1024 MB 1280 MB
Memory type GDDR5 GDDR5
Memory bus width 192 bit 256 bit
Bandwidth 91.87 GB/s 121.6 GB/s

Render Configuration

Shading units 288 352
TMUs 48 44
ROPs 24 40
SM count 6 11
Cache L1 64 KB (per SM) 64 KB (per SM)
Cache L2 384 KB 512 KB

Performance

Pixel rate 9.312 GPixel/s 16.10 GPixel/s
Texture rate 37.25 GTexel/s 32.21 GTexel/s
FP32 (float) performance 894.0 GFLOPS 1,031 GFLOPS
FP64 (double) performance 74.50 GFLOPS (1:12) 128.8 GFLOPS (1:8)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 210 mm 8.3 inches 229 mm 9 inches
TDP 102 W 210 W
Suggested PSU 300 W 550 W
Outputs 2x DVI1x mini-HDMI 2x DVI1x HDMI1x DisplayPort
Power connectors 2x 6-pin
Board number P1263

API Support & Features

DirectX 12 (11_0) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 1.1 1.1
Vulkan
CUDA 2.1 2.0
Shader model 5.1 5.1

Other Features

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