NVIDIA GeForce GTX 1080 Max Q vs AMD Radeon HD 8790M

VS

NVIDIA GeForce GTX 1080 Max Q

AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 1080 Max Q and 2GB VRAM Radeon HD 8790M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 Max Q 's Advantages

Released 4 years and 2 months late

Boost Clock has increased by 63% (1468MHz vs 900MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (320.3GB/s vs 64.00GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Max Q +987%

7.516 TFLOPS

Radeon HD 8790M

0.691 TFLOPS

GeForce GTX 1080 Max Q

VS

Radeon HD 8790M

Graphics Card

Jun 2017

Release Date

Apr 2013

GeForce 10 Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

1290 MHz

Base Clock

850 MHz

1468 MHz

Boost Clock

900 MHz

1251 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

128bit

320.3GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

20

SM Count

-

2560

Shading Units

384

160

TMUs

24

64

ROPs

8

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

93.95 GPixel/s

Pixel Rate

7.200 GPixel/s

234.9 GTexel/s

Texture Rate

21.60 GTexel/s

117.4 GFLOPS

FP16 (half)

-

7.516 TFLOPS

FP32 (float)

691.2 GFLOPS

234.9 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

150W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GP104

GPU Name

Mars

N17E-G3-A1

GPU Variant

Mars M2 XTX (216-0842036)

Pascal

Architecture

GCN 1.0

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

7.2 billion

Transistors

0.95 billion

314 mm²

Die Size

77 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

6.1

CUDA

-

6.4

Shader Model

6.5 (5.1)

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