NVIDIA GeForce GT 320 OEM vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce GT 320 OEM NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 320 OEM 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 320 OEM 's Advantages

Lower TDP (43W vs 102W)

NVIDIA GeForce GT 645 OEM 's Advantages

Released 2 years and 2 months late

Larger VRAM bandwidth (91.87GB/s vs 25.28GB/s)

216 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 320 OEM

0.188 TFLOPS

GeForce GT 645 OEM +375%

0.894 TFLOPS

GeForce GT 320 OEM

VS

GeForce GT 645 OEM

Graphics Card

Feb 2010

Release Date

Apr 2012

GeForce 300

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

790 MHz

Memory Clock

957 MHz

Memory

1024MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

25.28GB/s

Bandwidth

91.87GB/s

Render Config

9

SM Count

6

-

Compute Units

-

72

Shading Units

288

24

TMUs

48

8

ROPs

24

-

Tensor Cores

-

RT Cores

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

384 KB

Theoretical Performance

4.320 GPixel/s

Pixel Rate

9.312 GPixel/s

12.96 GTexel/s

Texture Rate

37.25 GTexel/s

-

FP16 (half)

-

187.5 GFLOPS

FP32 (float)

894.0 GFLOPS

-

FP64 (double)

74.50 GFLOPS

Graphics Processor

GT215

GPU Name

GF114

GT215-250-A2

GPU Variant

-

Tesla 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.727 billion

Transistors

1.95 billion

144 mm²

Die Size

332 mm²

Board Design

43W

TDP

102W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

-

Graphics Features

11.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.2

CUDA

2.1

4.1

Shader Model

5.1

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