NVIDIA GeForce GTX 980 Ti vs NVIDIA GeForce GT 620

VS

NVIDIA GeForce GTX 980 Ti

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 980 Ti 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 980 Ti 's Advantages

Released 3 years and 1 months late

Boost Clock1076MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (336.6GB/s vs 14.40GB/s)

2720 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 Ti +2152%

6.06 TFLOPS

GeForce GT 620

0.269 TFLOPS

GeForce GTX 980 Ti

VS

GeForce GT 620

Graphics Card

Jun 2015

Release Date

May 2012

GeForce 900

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1076 MHz

Boost Clock

-

1753 MHz

Memory Clock

900 MHz

Memory

6GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

336.6GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

2816

Shading Units

96

176

TMUs

16

96

ROPs

4

-

48 KB (per SMM)

L1 Cache

64 KB (per SM)

3 MB

L2 Cache

128 KB

-

Theoretical Performance

103.3 GPixel/s

Pixel Rate

2.800 GPixel/s

189.4 GTexel/s

Texture Rate

11.20 GTexel/s

-

6.060 TFLOPS

FP32 (float)

268.8 GFLOPS

189.4 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

250W

TDP

49W

600 W

Suggested PSU

200 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GM200

GPU Name

GF108

GM200-310-A1

GPU Variant

GF108-100-KB-A1

Maxwell 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

8 billion

Transistors

0.585 billion

601 mm²

Die Size

116 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.2

CUDA

2.1

6.4

Shader Model

5.1

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