NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce 9300 GS

VS

NVIDIA GeForce GT 645 OEM

NVIDIA GeForce 9300 GS

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 512MB VRAM GeForce 9300 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Released 3 years and 10 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (91.87GB/s vs 5.328GB/s)

280 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM +3963%

0.894 TFLOPS

GeForce 9300 GS

0.022 TFLOPS

GeForce GT 645 OEM

VS

GeForce 9300 GS

Graphics Card

Apr 2012

Release Date

Jun 2008

GeForce 600

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

957 MHz

Memory Clock

333 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

192bit

Memory Bus

64bit

91.87GB/s

Bandwidth

5.328GB/s

Render Config

-

6

SM Count

1

288

Shading Units

8

48

TMUs

4

24

ROPs

4

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

16 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

2.268 GPixel/s

37.25 GTexel/s

Texture Rate

2.268 GTexel/s

-

894.0 GFLOPS

FP32 (float)

22.40 GFLOPS

74.50 GFLOPS

FP64 (double)

-

Board Design

102W

TDP

Unknown

300 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1x VGA

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

G98S

-

Fermi 2.0

Architecture

Tesla

TSMC

Foundry

UMC

40 nm

Process Size

65 nm

1.95 billion

Transistors

0.21 billion

332 mm²

Die Size

86 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

1.1

5.1

Shader Model

4.0

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