NVIDIA GeForce GTX 745 OEM vs NVIDIA GeForce GT 620

VS

NVIDIA GeForce GTX 745 OEM NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 745 OEM and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 745 OEM 's Advantages

Released 1 years and 9 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

288 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 55W)

Score

Benchmark

FP32 (float)

GeForce GTX 745 OEM +194%

0.793 TFLOPS

GeForce GT 620

0.269 TFLOPS

GeForce GTX 745 OEM

VS

GeForce GT 620

Graphics Card

Feb 2014

Release Date

May 2012

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

-

Compute Units

-

384

Shading Units

96

24

TMUs

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

128 KB

Theoretical Performance

16.53 GPixel/s

Pixel Rate

2.800 GPixel/s

24.79 GTexel/s

Texture Rate

11.20 GTexel/s

-

FP16 (half)

-

793.3 GFLOPS

FP32 (float)

268.8 GFLOPS

24.79 GFLOPS

FP64 (double)

22.40 GFLOPS

Graphics Processor

GM107

GPU Name

GF108

GM107-220-A2

GPU Variant

GF108-100-KB-A1

Maxwell

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

0.585 billion

148 mm²

Die Size

116 mm²

Board Design

55W

TDP

49W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 2.0 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

2.1

5.1

Shader Model

5.1

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