NVIDIA GeForce GTX 950 vs NVIDIA GeForce GT 620

VS

NVIDIA GeForce GTX 950

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 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 950 's Advantages

Released 3 years and 3 months late

Boost Clock1188MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (105.8GB/s vs 14.40GB/s)

672 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 90W)

Score

Benchmark

FP32 (float)

GeForce GTX 950 +578%

1.825 TFLOPS

GeForce GT 620

0.269 TFLOPS

GeForce GTX 950

VS

GeForce GT 620

Graphics Card

Aug 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

1024 MHz

Base Clock

-

1188 MHz

Boost Clock

-

1653 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

105.8GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

768

Shading Units

96

48

TMUs

16

32

ROPs

4

-

48 KB (per SMM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

38.02 GPixel/s

Pixel Rate

2.800 GPixel/s

57.02 GTexel/s

Texture Rate

11.20 GTexel/s

-

1.825 TFLOPS

FP32 (float)

268.8 GFLOPS

57.02 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

90W

TDP

49W

250 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

Power Connectors

None

Graphics Processor

GM206

GPU Name

GF108

GM206-250-A1

GPU Variant

GF108-100-KB-A1

Maxwell 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.94 billion

Transistors

0.585 billion

228 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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