NVIDIA GeForce GT 645 OEM Graphics Card

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Learn more about NVIDIA GeForce GT 645 OEM:

Specifications

Generation
GeForce 600
GPU model
GF114
Interface
PCIe 2.0 x16
GPU clock
776 MHz
Memory size
1024 MB
DirectX
12 (11_0)
Release date
Apr 24th, 2012

Graphics Processor

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

Graphics Card

Release date
Apr 24th, 2012
Generation
GeForce 600
Production
End-of-life
Interface
PCIe 2.0 x16
Predecessor
GeForce 500
Successor
GeForce 700

Clocks

GPU clock
776 MHz
Shader clock
1552 MHz
Memory clock
957 MHz 3.8 Gbps effective

Memory Configuration

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

Render Configuration

Shading units
288
TMUs
48
ROPs
24
SM count
6
Cache L1
64 KB (per SM)
Cache L2
384 KB

Performance

Pixel rate
9.312 GPixel/s
Texture rate
37.25 GTexel/s
FP32 (float) performance
894.0 GFLOPS
FP64 (double) performance
74.50 GFLOPS (1:12)

Dimensions & Outputs

Slot width
Dual-slot
Length
210 mm 8.3 inches
TDP
102 W
Suggested PSU
300 W
Outputs
2x DVI1x mini-HDMI

API Support & Features

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

Drivers

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Benchmark & Performance

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Gaming

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