NVIDIA GeForce GTX 980 Mobile vs NVIDIA GeForce 405M

VS

NVIDIA GeForce GTX 980 Mobile NVIDIA GeForce 405M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980 Mobile and 512MB VRAM GeForce 405M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 Mobile 's Advantages

Released 4 years and 8 months late

Boost Clock1140MHz

Larger VRAM bandwidth (224.4GB/s vs 12.80GB/s)

2032 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 980 Mobile +11871%

4.669 TFLOPS

GeForce 405M

0.039 TFLOPS

GeForce GTX 980 Mobile

VS

GeForce 405M

Graphics Card

Sep 2015

Release Date

Jan 2011

GeForce 900M

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1064 MHz

Base Clock

-

1140 MHz

Boost Clock

-

1753 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

224.4GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

2

-

Compute Units

-

2048

Shading Units

16

128

TMUs

8

64

ROPs

4

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

32 KB

Theoretical Performance

72.96 GPixel/s

Pixel Rate

2.424 GPixel/s

145.9 GTexel/s

Texture Rate

4.848 GTexel/s

-

FP16 (half)

-

4.669 TFLOPS

FP32 (float)

38.78 GFLOPS

145.9 GFLOPS

FP64 (double)

-

Graphics Processor

GM204

GPU Name

GT218

N16E-GXX-A1

GPU Variant

-

Maxwell 2.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5.2 billion

Transistors

0.26 billion

398 mm²

Die Size

57 mm²

Board Design

Unknown

TDP

14W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.2

CUDA

1.2

6.7 (6.4)

Shader Model

4.1

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