NVIDIA GeForce GTX 980 Mobile vs AMD Radeon HD 6870M

VS

NVIDIA GeForce GTX 980 Mobile AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980 Mobile and 1024MB VRAM Radeon HD 6870M 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 1GB)

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

1248 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 980 Mobile +332%

4.669 TFLOPS

Radeon HD 6870M

1.08 TFLOPS

GeForce GTX 980 Mobile

VS

Radeon HD 6870M

Graphics Card

Sep 2015

Release Date

Jan 2011

GeForce 900M

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

1064 MHz

Base Clock

-

1140 MHz

Boost Clock

-

1753 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

224.4GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

Compute Units

10

2048

Shading Units

800

128

TMUs

40

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

72.96 GPixel/s

Pixel Rate

10.80 GPixel/s

145.9 GTexel/s

Texture Rate

27.00 GTexel/s

-

FP16 (half)

-

4.669 TFLOPS

FP32 (float)

1080 GFLOPS

145.9 GFLOPS

FP64 (double)

-

Graphics Processor

GM204

GPU Name

Granville

N16E-GXX-A1

GPU Variant

Granville XT (216-0769024)

Maxwell 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5.2 billion

Transistors

1.04 billion

398 mm²

Die Size

166 mm²

Board Design

Unknown

TDP

50W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.2

CUDA

-

6.7 (6.4)

Shader Model

5.0

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