NVIDIA GeForce GT 645M: GPU Specs & Benchmarks

The GeForce GT 645M is a graphics card by NVIDIA, built on the 28 nm process and based on the GK107 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

Recommended Gaming Resolutions 640x480 1280x720 1366x768 1600x900 1920x1080 2560x1440 3840x2160

Benchmarks

PassMark G3D
958
PassMark G2D
175
3DMark Time Spy
396
3DMark Fire Strike
1271
3DMark Fire Strike Extreme
670
3DMark Fire Strike Ultra
238
3DMark Night Raid
4559

Graphics Processor (GPU)

GPU Name
GK107
Model number
N13P-GS
Architecture
Kepler
Foundry
TSMC
Process Size
28 nm
Transistors
1,270 million
Die Size
118 mm²

Graphics Card

Release Date
Oct 1st, 2012
Family
GeForce 600M
Production
End-of-life
Predecessor
GeForce 500M
Bus Interface
PCIe 3.0 x16

Memory

Memory Size
2 GB
Memory Type
DDR3
Memory Bus
128 bit
Bandwidth
28.80 GB/s

Performance

Pixel fillrate
5.672 GPixel/s
Texture fillrate
22.69 GTexel/s
FP32 (float) performance
544.5 GFLOPS
FP64 (double) performance
22.69 GFLOPS (1:24)

Clock Speeds

Memory Clock
900 MHz
1800 Mbps effective
GPU Clock
709 MHz

Render Config

Shading Units
384
TMUs
32
ROPs
16
L1 Cache
16 KB (per SMX)
L2 Cache
256 KB

Board Design

Thermal design power (TDP)
32 W
Display Connectors
No outputs

API support

DirectX
12 (11_0)
OpenGL
4.6
OpenCL
3.0
Vulkan
1.1
Shader Model
5.1
CUDA
3.0
GeForce GT 645M
NVIDIA GeForce GT 645M: GPU Specs & Benchmarks