NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GT 625 OEM

VS

NVIDIA GeForce GT 645 OEM

NVIDIA GeForce GT 625 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 1024MB VRAM GeForce GT 625 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Larger VRAM bandwidth (91.87GB/s vs 13.20GB/s)

240 additional rendering cores

NVIDIA GeForce GT 625 OEM 's Advantages

Released 10 months late

Lower TDP (29W vs 102W)

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM +432%

0.894 TFLOPS

GeForce GT 625 OEM

0.168 TFLOPS

GeForce GT 645 OEM

VS

GeForce GT 625 OEM

Graphics Card

Apr 2012

Release Date

Feb 2013

GeForce 600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

957 MHz

Memory Clock

825 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

91.87GB/s

Bandwidth

13.20GB/s

Render Config

-

6

SM Count

1

288

Shading Units

48

TMUs

8

24

ROPs

4

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

128 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

1.748 GPixel/s

37.25 GTexel/s

Texture Rate

6.992 GTexel/s

-

894.0 GFLOPS

FP32 (float)

167.8 GFLOPS

74.50 GFLOPS

FP64 (double)

13.98 GFLOPS

Board Design

102W

TDP

29W

300 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.3a

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

GF119

-

Fermi 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

0.292 billion

332 mm²

Die Size

79 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

2.1

5.1

Shader Model

5.1

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