NVIDIA GeForce GT 220 vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce GT 220

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 220 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 GT 220 's Advantages

Lower TDP (58W vs 102W)

NVIDIA GeForce GT 645 OEM 's Advantages

Released 2 years and 3 months late

Larger VRAM bandwidth (91.87GB/s vs 22.40GB/s)

240 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 220

0.144 TFLOPS

GeForce GT 645 OEM +520%

0.894 TFLOPS

GeForce GT 220

VS

GeForce GT 645 OEM

Graphics Card

Jan 2010

Release Date

Apr 2012

GeForce 200

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

957 MHz

Memory

1024MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

22.40GB/s

Bandwidth

91.87GB/s

Render Config

-

6

SM Count

6

48

Shading Units

288

24

TMUs

48

8

ROPs

24

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

384 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

9.312 GPixel/s

14.40 GTexel/s

Texture Rate

37.25 GTexel/s

-

144.0 GFLOPS

FP32 (float)

894.0 GFLOPS

-

FP64 (double)

74.50 GFLOPS

Board Design

58W

TDP

102W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

-

Graphics Processor

G94

GPU Name

GF114

-

Tesla

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.505 billion

Transistors

1.95 billion

240 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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