NVIDIA GeForce GTX 645 OEM: GPU Specs & Benchmarks

The GeForce GTX 645 OEM is a graphics card by NVIDIA, built on the 28 nm process and based on the GK106 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

GK106

Model number

GK106-200-A1

Architecture

Kepler

Foundry

TSMC

Process Size

28 nm

Transistors

2,540 million

Die Size

221 mm²

Graphics Card

Release Date

Apr 22nd, 2013

Family

GeForce 600

Production

End-of-life

Predecessor

GeForce 500

Bus Interface

PCIe 3.0 x16

Memory

Memory Size

1024 MB

Memory Type

GDDR5

Memory Bus

128 bit

Bandwidth

64.00 GB/s

Performance

Pixel fillrate

9.888 GPixel/s

Texture fillrate

39.55 GTexel/s

FP32 (float) performance

949.2 GFLOPS

FP64 (double) performance

39.55 GFLOPS (1:24)

Clock Speeds

Memory Clock

1000 MHz
4 Gbps effective

GPU Clock

824 MHz

Render Config

Shading Units

576

TMUs

48

ROPs

16

L1 Cache

16 KB (per SMX)

L2 Cache

256 KB

Board Design

Slot Width

Single-slot

Length

147 mm
5.8 inches

Thermal design power (TDP)

65 W

Suggested PSU

250 W

Display Connectors

1x DVI
1x HDMI
1x DisplayPort

Power Connectors

None

Board Number

P2010 SKU 20

API support

DirectX

12 (11_0)

OpenGL

4.6

OpenCL

3.0

Vulkan

1.1

Shader Model

5.1

CUDA

3.0