AMD Radeon Pro Vega 20 vs NVIDIA GeForce 845M

VS

AMD Radeon Pro Vega 20

NVIDIA GeForce 845M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 20 's Advantages

Released 3 years and 3 months late

Boost Clock has increased by 9% (1283MHz vs 1176MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (189.4GB/s vs 40.10GB/s)

896 additional rendering cores

NVIDIA GeForce 845M 's Advantages

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20 +263%

3.284 TFLOPS

GeForce 845M

0.903 TFLOPS

Radeon Pro Vega 20

VS

GeForce 845M

Graphics Card

Nov 2018

Release Date

Aug 2015

Radeon Pro Mac

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

815 MHz

Base Clock

1071 MHz

1283 MHz

Boost Clock

1176 MHz

740 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

64bit

189.4GB/s

Bandwidth

40.10GB/s

Render Config

20

Compute Units

-

1280

Shading Units

384

80

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

41.06 GPixel/s

Pixel Rate

18.82 GPixel/s

102.6 GTexel/s

Texture Rate

37.63 GTexel/s

6.569 TFLOPS

FP16 (half)

-

3.284 TFLOPS

FP32 (float)

903.2 GFLOPS

205.3 GFLOPS

FP64 (double)

28.22 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Vega 12

GPU Name

GM108

Vega 12 XTA

GPU Variant

-

GCN 5.0

Architecture

Maxwell

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

Unknown

Transistors

Unknown

Die Size

Unknown

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.3

Shader Model

5.1

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