NVIDIA GeForce 820M vs AMD Radeon Pro Vega 20

VS

NVIDIA GeForce 820M

AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 4GB VRAM Radeon Pro Vega 20 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 100W)

AMD Radeon Pro Vega 20 's Advantages

Released 3 years and 8 months late

Boost Clock1283MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (189.4GB/s vs 28.83GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 820M

0.622 TFLOPS

Radeon Pro Vega 20 +427%

3.284 TFLOPS

GeForce 820M

VS

Radeon Pro Vega 20

Graphics Card

Mar 2015

Release Date

Nov 2018

GeForce 800M

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

815 MHz

-

Boost Clock

1283 MHz

901 MHz

Memory Clock

740 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

HBM2

128bit

Memory Bus

1024bit

28.83GB/s

Bandwidth

189.4GB/s

Render Config

-

Compute Units

20

-

384

Shading Units

1280

32

TMUs

80

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

6.480 GPixel/s

Pixel Rate

41.06 GPixel/s

25.92 GTexel/s

Texture Rate

102.6 GTexel/s

-

FP16 (half)

6.569 TFLOPS

622.1 GFLOPS

FP32 (float)

3.284 TFLOPS

25.92 GFLOPS

FP64 (double)

205.3 GFLOPS

Board Design

45W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

Vega 12

-

GPU Variant

Vega 12 XTA

Kepler

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.27 billion

Transistors

Unknown

118 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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