NVIDIA GeForce 8300 GS vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce 8300 GS

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 128MB VRAM GeForce 8300 GS and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8300 GS 's Advantages

Lower TDP (40W vs 102W)

NVIDIA GeForce GT 645 OEM 's Advantages

Released 5 years late

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (91.87GB/s vs 6.400GB/s)

280 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8300 GS

0.015 TFLOPS

GeForce GT 645 OEM +5860%

0.894 TFLOPS

GeForce 8300 GS

VS

GeForce GT 645 OEM

Graphics Card

Apr 2007

Release Date

Apr 2012

GeForce 8

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

957 MHz

Memory

128MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

192bit

6.400GB/s

Bandwidth

91.87GB/s

Render Config

-

1

SM Count

6

8

Shading Units

288

8

TMUs

48

4

ROPs

24

-

L1 Cache

64 KB (per SM)

16 KB

L2 Cache

384 KB

-

Theoretical Performance

1.836 GPixel/s

Pixel Rate

9.312 GPixel/s

3.672 GTexel/s

Texture Rate

37.25 GTexel/s

-

14.69 GFLOPS

FP32 (float)

894.0 GFLOPS

-

FP64 (double)

74.50 GFLOPS

Board Design

40W

TDP

102W

200 W

Suggested PSU

300 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

-

Graphics Processor

G86

GPU Name

GF114

-

Tesla

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.21 billion

Transistors

1.95 billion

127 mm²

Die Size

332 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

2.1

4.0

Shader Model

5.1

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