NVIDIA GeForce GT 705 OEM vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce GT 705 OEM NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 705 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 705 OEM 's Advantages

Released 1 years and 11 months late

Lower TDP (29W vs 102W)

NVIDIA GeForce GT 645 OEM 's Advantages

Larger VRAM bandwidth (91.87GB/s vs 13.20GB/s)

240 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 705 OEM

0.168 TFLOPS

GeForce GT 645 OEM +432%

0.894 TFLOPS

GeForce GT 705 OEM

VS

GeForce GT 645 OEM

Graphics Card

Mar 2014

Release Date

Apr 2012

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

825 MHz

Memory Clock

957 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

192bit

13.20GB/s

Bandwidth

91.87GB/s

Render Config

1

SM Count

6

-

Compute Units

-

48

Shading Units

288

8

TMUs

48

4

ROPs

24

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

384 KB

Theoretical Performance

1.748 GPixel/s

Pixel Rate

9.312 GPixel/s

6.992 GTexel/s

Texture Rate

37.25 GTexel/s

-

FP16 (half)

-

167.8 GFLOPS

FP32 (float)

894.0 GFLOPS

13.98 GFLOPS

FP64 (double)

74.50 GFLOPS

Graphics Processor

GF119

GPU Name

GF114

GF119-300-A1

GPU Variant

-

Fermi 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

1.95 billion

79 mm²

Die Size

332 mm²

Board Design

29W

TDP

102W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

2.1

5.1

Shader Model

5.1

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