AMD Radeon E9171 MCM vs NVIDIA GeForce GTX 870M

VS

AMD Radeon E9171 MCM

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 4GB VRAM Radeon E9171 MCM and 3GB VRAM GeForce GTX 870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9171 MCM 's Advantages

Released 3 years and 7 months late

Boost Clock has increased by 26% (1219MHz vs 967MHz)

More VRAM (4GB vs 3GB)

Lower TDP (40W vs 100W)

NVIDIA GeForce GTX 870M 's Advantages

Larger VRAM bandwidth (120.0GB/s vs 96.00GB/s)

832 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9171 MCM

1.248 TFLOPS

GeForce GTX 870M +108%

2.599 TFLOPS

Radeon E9171 MCM

VS

GeForce GTX 870M

Graphics Card

Oct 2017

Release Date

Mar 2014

Embedded

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1124 MHz

Base Clock

941 MHz

1219 MHz

Boost Clock

967 MHz

1500 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

96.00GB/s

Bandwidth

120.0GB/s

Render Config

8

Compute Units

-

512

Shading Units

1344

32

TMUs

112

16

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

19.50 GPixel/s

Pixel Rate

27.08 GPixel/s

39.01 GTexel/s

Texture Rate

108.3 GTexel/s

1248 GFLOPS

FP16 (half)

-

1248 GFLOPS

FP32 (float)

2.599 TFLOPS

78.02 GFLOPS

FP64 (double)

108.3 GFLOPS

Board Design

40W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

GK104

Lexa MCM Pro

GPU Variant

N15E-GT-A2

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

3.54 billion

103 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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