NVIDIA GeForce 8300 GS vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA GeForce 8300 GS NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 128MB VRAM GeForce 8300 GS and 1536MB VRAM GeForce GT 640 OEM Rebrand 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 75W)

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Released 5 years late

More VRAM (1536GB vs 128GB)

Larger VRAM bandwidth (38.40GB/s vs 6.400GB/s)

136 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8300 GS

0.015 TFLOPS

GeForce GT 640 OEM Rebrand +2666%

0.415 TFLOPS

GeForce 8300 GS

VS

GeForce GT 640 OEM Rebrand

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

-

Base Clock

-

Boost Clock

-

400 MHz

Memory Clock

800 MHz

Memory

128MB

Memory Size

1536MB

DDR2

Memory Type

DDR3

64bit

Memory Bus

192bit

6.400GB/s

Bandwidth

38.40GB/s

Render Config

1

SM Count

3

-

Compute Units

-

8

Shading Units

144

8

TMUs

24

4

ROPs

24

-

Tensor Cores

-

RT Cores

-

L1 Cache

64 KB (per SM)

16 KB

L2 Cache

384 KB

Theoretical Performance

1.836 GPixel/s

Pixel Rate

4.320 GPixel/s

3.672 GTexel/s

Texture Rate

17.28 GTexel/s

-

FP16 (half)

-

14.69 GFLOPS

FP32 (float)

414.7 GFLOPS

-

FP64 (double)

34.56 GFLOPS

Graphics Processor

G86

GPU Name

GF116

-

GPU Variant

GF116-150-A1

Tesla

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.21 billion

Transistors

1.17 billion

127 mm²

Die Size

238 mm²

Board Design

40W

TDP

75W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

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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