NVIDIA GeForce GTX 1070 Mobile vs AMD Radeon HD 7870M

VS

NVIDIA GeForce GTX 1070 Mobile AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 1070 Mobile and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1070 Mobile 's Advantages

Released 4 years and 4 months late

Boost Clock1645MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.3GB/s vs 64.00GB/s)

1408 additional rendering cores

AMD Radeon HD 7870M 's Advantages

Lower TDP (45W vs 120W)

Score

Benchmark

FP32 (float)

GeForce GTX 1070 Mobile +558%

6.738 TFLOPS

Radeon HD 7870M

1.024 TFLOPS

GeForce GTX 1070 Mobile

VS

Radeon HD 7870M

Graphics Card

Aug 2016

Release Date

Apr 2012

GeForce 10 Mobile

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1442 MHz

Base Clock

-

1645 MHz

Boost Clock

-

2002 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.3GB/s

Bandwidth

64.00GB/s

Render Config

16

SM Count

-

Compute Units

10

2048

Shading Units

640

128

TMUs

40

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

105.3 GPixel/s

Pixel Rate

12.80 GPixel/s

210.6 GTexel/s

Texture Rate

32.00 GTexel/s

105.3 GFLOPS

FP16 (half)

-

6.738 TFLOPS

FP32 (float)

1024 GFLOPS

210.6 GFLOPS

FP64 (double)

64.00 GFLOPS

Graphics Processor

GP104

GPU Name

Heathrow

N17E-G2-A1

GPU Variant

Heathrow XT (216-0835033)

Pascal

Architecture

GCN 1.0

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

7.2 billion

Transistors

1.5 billion

314 mm²

Die Size

123 mm²

Board Design

120W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

6.1

CUDA

-

6.4

Shader Model

5.1

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