NVIDIA GeForce GTX 980MX vs NVIDIA GeForce GT 420M

VS

NVIDIA GeForce GTX 980MX NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980MX and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980MX 's Advantages

Released 5 years and 9 months late

Boost Clock1178MHz

Larger VRAM bandwidth (192.0GB/s vs 25.60GB/s)

1568 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 148W)

Score

Benchmark

FP32 (float)

GeForce GTX 980MX +1941%

3.92 TFLOPS

GeForce GT 420M

0.192 TFLOPS

GeForce GTX 980MX

VS

GeForce GT 420M

Graphics Card

Jun 2016

Release Date

Sep 2010

GeForce 900M

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1050 MHz

Base Clock

-

1178 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

192.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

2

-

Compute Units

-

1664

Shading Units

96

104

TMUs

16

64

ROPs

4

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

256 KB

Theoretical Performance

75.39 GPixel/s

Pixel Rate

2.000 GPixel/s

122.5 GTexel/s

Texture Rate

8.000 GTexel/s

-

FP16 (half)

-

3.920 TFLOPS

FP32 (float)

192.0 GFLOPS

122.5 GFLOPS

FP64 (double)

16.00 GFLOPS

Graphics Processor

GM204

GPU Name

GF108

N16E-GXX-A1

GPU Variant

N11P-GE-A1

Maxwell 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5.2 billion

Transistors

0.585 billion

398 mm²

Die Size

116 mm²

Board Design

148W

TDP

23W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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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