AMD Radeon E9171 MCM vs NVIDIA GeForce 820M

VS

AMD Radeon E9171 MCM

NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 4GB VRAM Radeon E9171 MCM and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9171 MCM 's Advantages

Released 2 years and 7 months late

Boost Clock1219MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (96.00GB/s vs 28.83GB/s)

128 additional rendering cores

Lower TDP (40W vs 45W)

Score

Benchmark

FP32 (float)

Radeon E9171 MCM +100%

1.248 TFLOPS

GeForce 820M

0.622 TFLOPS

Radeon E9171 MCM

VS

GeForce 820M

Graphics Card

Oct 2017

Release Date

Mar 2015

Embedded

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1124 MHz

Base Clock

-

1219 MHz

Boost Clock

-

1500 MHz

Memory Clock

901 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

28.83GB/s

Render Config

8

Compute Units

-

512

Shading Units

384

32

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

19.50 GPixel/s

Pixel Rate

6.480 GPixel/s

39.01 GTexel/s

Texture Rate

25.92 GTexel/s

1248 GFLOPS

FP16 (half)

-

1248 GFLOPS

FP32 (float)

622.1 GFLOPS

78.02 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

40W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

GK107

Lexa MCM Pro

GPU Variant

-

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.27 billion

103 mm²

Die Size

118 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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