NVIDIA GeForce GTX 1080 Mobile vs AMD Radeon HD 6990M

VS

NVIDIA GeForce GTX 1080 Mobile AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 1080 Mobile and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 Mobile 's Advantages

Released 5 years and 1 months late

Boost Clock1734MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (320.3GB/s vs 115.2GB/s)

1440 additional rendering cores

AMD Radeon HD 6990M 's Advantages

Lower TDP (100W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Mobile +454%

8.878 TFLOPS

Radeon HD 6990M

1.602 TFLOPS

GeForce GTX 1080 Mobile

VS

Radeon HD 6990M

Graphics Card

Aug 2016

Release Date

Jul 2011

GeForce 10 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1556 MHz

Base Clock

-

1734 MHz

Boost Clock

-

1251 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

256bit

320.3GB/s

Bandwidth

115.2GB/s

Render Config

20

SM Count

-

Compute Units

14

2560

Shading Units

1120

160

TMUs

56

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

111.0 GPixel/s

Pixel Rate

22.88 GPixel/s

277.4 GTexel/s

Texture Rate

40.04 GTexel/s

138.7 GFLOPS

FP16 (half)

-

8.878 TFLOPS

FP32 (float)

1.602 TFLOPS

277.4 GFLOPS

FP64 (double)

-

Graphics Processor

GP104

GPU Name

Blackcomb

N17E-G3-A1

GPU Variant

Blackcomb XTX (216-0811030)

Pascal

Architecture

TeraScale 2

TSMC

Foundry

TSMC

16 nm

Process Size

40 nm

7.2 billion

Transistors

1.7 billion

314 mm²

Die Size

212 mm²

Board Design

150W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

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

6.1

CUDA

-

6.4

Shader Model

5.0

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