AMD Radeon HD 7870M vs NVIDIA GeForce GTX 1080 Max Q

VS

AMD Radeon HD 7870M NVIDIA GeForce GTX 1080 Max Q

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7870M and 8GB VRAM GeForce GTX 1080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870M 's Advantages

Lower TDP (45W vs 150W)

NVIDIA GeForce GTX 1080 Max Q 's Advantages

Released 5 years and 2 months late

Boost Clock1468MHz

More VRAM (8GB vs 2GB)

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

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870M

1.024 TFLOPS

GeForce GTX 1080 Max Q +633%

7.516 TFLOPS

Radeon HD 7870M

VS

GeForce GTX 1080 Max Q

Graphics Card

Apr 2012

Release Date

Jun 2017

London

Generation

GeForce 10 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1290 MHz

-

Boost Clock

1468 MHz

1000 MHz

Memory Clock

1251 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5X

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

320.3GB/s

Render Config

-

SM Count

20

10

Compute Units

-

640

Shading Units

2560

40

TMUs

160

16

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

2 MB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

93.95 GPixel/s

32.00 GTexel/s

Texture Rate

234.9 GTexel/s

-

FP16 (half)

117.4 GFLOPS

1024 GFLOPS

FP32 (float)

7.516 TFLOPS

64.00 GFLOPS

FP64 (double)

234.9 GFLOPS

Graphics Processor

Heathrow

GPU Name

GP104

Heathrow XT (216-0835033)

GPU Variant

N17E-G3-A1

GCN 1.0

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

1.5 billion

Transistors

7.2 billion

123 mm²

Die Size

314 mm²

Board Design

45W

TDP

150W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

6.1

5.1

Shader Model

6.4

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