NVIDIA GeForce GT 645 OEM: GPU Specs & Benchmarks

The GeForce GT 645 OEM is a graphics card by NVIDIA, built on the 40 nm process and based on the GF114 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name
GF114
Architecture
Fermi 2.0
Foundry
TSMC
Process Size
40 nm
Transistors
1,950 million
Die Size
332 mm²

Graphics Card

Release Date
Apr 24th, 2012
Family
GeForce 600
Production
End-of-life
Predecessor
GeForce 500
Bus Interface
PCIe 2.0 x16

Memory

Memory Size
1024 MB
Memory Type
GDDR5
Memory Bus
192 bit
Bandwidth
91.87 GB/s

Performance

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

Clock Speeds

Memory Clock
957 MHz
3.8 Gbps effective
GPU Clock
776 MHz

Render Config

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

Board Design

Slot Width
Dual-slot
Length
210 mm
8.3 inches
Thermal design power (TDP)
102 W
Suggested PSU
300 W
Display Connectors
2x DVI
1x mini-HDMI

API support

DirectX
12 (11_0)
OpenGL
4.6
OpenCL
1.1
Vulkan
N/A
Shader Model
5.1
CUDA
2.1
GeForce GT 645 OEM
NVIDIA GeForce GT 645 OEM: GPU Specs & Benchmarks