NVIDIA GeForce 820M vs AMD Radeon Pro 580X

VS

NVIDIA GeForce 820M

AMD Radeon Pro 580X

We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 8GB VRAM Radeon Pro 580X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 820M 's Advantages

Lower TDP (45W vs 185W)

AMD Radeon Pro 580X 's Advantages

Released 4 years late

Boost Clock1200MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (218.9GB/s vs 28.83GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 820M

0.622 TFLOPS

Radeon Pro 580X +789%

5.53 TFLOPS

GeForce 820M

VS

Radeon Pro 580X

Graphics Card

Mar 2015

Release Date

Mar 2019

GeForce 800M

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1200 MHz

901 MHz

Memory Clock

1710 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.83GB/s

Bandwidth

218.9GB/s

Render Config

-

Compute Units

36

-

384

Shading Units

2304

32

TMUs

144

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

6.480 GPixel/s

Pixel Rate

38.40 GPixel/s

25.92 GTexel/s

Texture Rate

172.8 GTexel/s

-

FP16 (half)

5.530 TFLOPS

622.1 GFLOPS

FP32 (float)

5.530 TFLOPS

25.92 GFLOPS

FP64 (double)

345.6 GFLOPS

Board Design

45W

TDP

185W

-

No outputs

Outputs

2x HDMI 2.0b

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

Ellesmere

-

GPU Variant

Ellesmere XTA (216-0886220)

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.27 billion

Transistors

5.7 billion

118 mm²

Die Size

232 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.4

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