AMD FirePro S7100X vs AMD Radeon HD 7870M

VS

AMD FirePro S7100X

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 8GB VRAM FirePro S7100X and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FirePro S7100X 's Advantages

Released 4 years and 1 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

1408 additional rendering cores

AMD Radeon HD 7870M 's Advantages

Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)

FirePro S7100X +190%

2.97 TFLOPS

Radeon HD 7870M

1.024 TFLOPS

FirePro S7100X

VS

Radeon HD 7870M

Graphics Card

May 2016

Release Date

Apr 2012

FirePro Mobile

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.00GB/s

Render Config

32

Compute Units

10

-

2048

Shading Units

640

128

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

12.80 GPixel/s

92.80 GTexel/s

Texture Rate

32.00 GTexel/s

2.970 TFLOPS

FP16 (half)

-

2.970 TFLOPS

FP32 (float)

1024 GFLOPS

185.6 GFLOPS

FP64 (double)

64.00 GFLOPS

Board Design

100W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

Heathrow

Amethyst XT

GPU Variant

Heathrow XT (216-0835033)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.5 billion

366 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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