NVIDIA GeForce GTX 980 Mobile vs NVIDIA GeForce GTX 870M

VS

NVIDIA GeForce GTX 980 Mobile

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980 Mobile and 3GB VRAM GeForce GTX 870M 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 1 years and 6 months late

Boost Clock has increased by 18% (1140MHz vs 967MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (224.4GB/s vs 120.0GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 980 Mobile +79%

4.669 TFLOPS

GeForce GTX 870M

2.599 TFLOPS

GeForce GTX 980 Mobile

VS

GeForce GTX 870M

Graphics Card

Sep 2015

Release Date

Mar 2014

GeForce 900M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

1064 MHz

Base Clock

941 MHz

1140 MHz

Boost Clock

967 MHz

1753 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

224.4GB/s

Bandwidth

120.0GB/s

Render Config

-

2048

Shading Units

1344

128

TMUs

112

64

ROPs

24

-

48 KB (per SMM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

384 KB

-

Theoretical Performance

72.96 GPixel/s

Pixel Rate

27.08 GPixel/s

145.9 GTexel/s

Texture Rate

108.3 GTexel/s

-

4.669 TFLOPS

FP32 (float)

2.599 TFLOPS

145.9 GFLOPS

FP64 (double)

108.3 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GM204

GPU Name

GK104

N16E-GXX-A1

GPU Variant

N15E-GT-A2

Maxwell 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

3.54 billion

398 mm²

Die Size

294 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.2

CUDA

3.0

6.7 (6.4)

Shader Model

5.1

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