NVIDIA GeForce GT 420M vs NVIDIA GeForce GTX 950A

VS

NVIDIA GeForce GT 420M

NVIDIA GeForce GTX 950A

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 2GB VRAM GeForce GTX 950A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 75W)

NVIDIA GeForce GTX 950A 's Advantages

Released 4 years and 6 months late

Boost Clock1124MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (32.03GB/s vs 25.60GB/s)

544 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

GeForce GTX 950A +649%

1.439 TFLOPS

GeForce GT 420M

VS

GeForce GTX 950A

Graphics Card

Sep 2010

Release Date

Mar 2015

GeForce 400M

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

993 MHz

-

Boost Clock

1124 MHz

800 MHz

Memory Clock

1001 MHz

Memory

512MB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

32.03GB/s

Render Config

-

2

SM Count

-

96

Shading Units

640

16

TMUs

40

4

ROPs

16

-

64 KB (per SM)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

17.98 GPixel/s

8.000 GTexel/s

Texture Rate

44.96 GTexel/s

-

192.0 GFLOPS

FP32 (float)

1439 GFLOPS

16.00 GFLOPS

FP64 (double)

44.96 GFLOPS

Board Design

23W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

GM107

N11P-GE-A1

GPU Variant

N16P-GT

Fermi

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

1.87 billion

116 mm²

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

5.0

5.1

Shader Model

5.1

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