NVIDIA GeForce GTX 980 Mobile vs AMD Radeon HD 8870M

VS

NVIDIA GeForce GTX 980 Mobile

AMD Radeon HD 8870M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980 Mobile and 2GB VRAM Radeon HD 8870M 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 2 years and 5 months late

Boost Clock has increased by 47% (1140MHz vs 775MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.4GB/s vs 72.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 980 Mobile +370%

4.669 TFLOPS

Radeon HD 8870M

0.992 TFLOPS

GeForce GTX 980 Mobile

VS

Radeon HD 8870M

Graphics Card

Sep 2015

Release Date

Apr 2013

GeForce 900M

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1064 MHz

Base Clock

725 MHz

1140 MHz

Boost Clock

775 MHz

1753 MHz

Memory Clock

1125 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

224.4GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

-

2048

Shading Units

640

128

TMUs

40

64

ROPs

16

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

72.96 GPixel/s

Pixel Rate

12.40 GPixel/s

145.9 GTexel/s

Texture Rate

31.00 GTexel/s

-

4.669 TFLOPS

FP32 (float)

992.0 GFLOPS

145.9 GFLOPS

FP64 (double)

62.00 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GM204

GPU Name

Venus

N16E-GXX-A1

GPU Variant

Venus XT (216-0846000)

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

1.5 billion

398 mm²

Die Size

123 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

5.2

CUDA

-

6.7 (6.4)

Shader Model

6.5 (5.1)

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