AMD Radeon HD 6870M vs NVIDIA GeForce GTX 980 Mobile

VS

AMD Radeon HD 6870M

NVIDIA GeForce GTX 980 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 8GB VRAM GeForce GTX 980 Mobile 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

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.4GB/s vs 64.00GB/s)

1248 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870M

1.08 TFLOPS

GeForce GTX 980 Mobile +332%

4.669 TFLOPS

Radeon HD 6870M

VS

GeForce GTX 980 Mobile

Graphics Card

Jan 2011

Release Date

Sep 2015

Vancouver

Generation

GeForce 900M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1064 MHz

-

Boost Clock

1140 MHz

1000 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

224.4GB/s

Render Config

10

Compute Units

-

800

Shading Units

2048

40

TMUs

128

16

ROPs

64

-

8 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

72.96 GPixel/s

27.00 GTexel/s

Texture Rate

145.9 GTexel/s

-

1080 GFLOPS

FP32 (float)

4.669 TFLOPS

-

FP64 (double)

145.9 GFLOPS

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Granville

GPU Name

GM204

Granville XT (216-0769024)

GPU Variant

N16E-GXX-A1

TeraScale 2

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

5.2 billion

166 mm²

Die Size

398 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

5.0

Shader Model

6.7 (6.4)

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