AMD Radeon Pro Vega 20 vs NVIDIA GeForce 705M

VS

AMD Radeon Pro Vega 20

NVIDIA GeForce 705M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 1024MB VRAM GeForce 705M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 20 's Advantages

Boost Clock1283MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (189.4GB/s vs 14.40GB/s)

1232 additional rendering cores

NVIDIA GeForce 705M 's Advantages

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20 +2212%

3.284 TFLOPS

GeForce 705M

0.142 TFLOPS

Radeon Pro Vega 20

VS

GeForce 705M

Graphics Card

Nov 2018

Release Date

Unknown

Radeon Pro Mac

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

815 MHz

Base Clock

-

1283 MHz

Boost Clock

-

740 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

HBM2

Memory Type

DDR3

1024bit

Memory Bus

64bit

189.4GB/s

Bandwidth

14.40GB/s

Render Config

20

Compute Units

-

SM Count

1

1280

Shading Units

48

80

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

41.06 GPixel/s

Pixel Rate

1.476 GPixel/s

102.6 GTexel/s

Texture Rate

5.904 GTexel/s

6.569 TFLOPS

FP16 (half)

-

3.284 TFLOPS

FP32 (float)

141.7 GFLOPS

205.3 GFLOPS

FP64 (double)

11.81 GFLOPS

Board Design

100W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Vega 12

GPU Name

GF119

Vega 12 XTA

GPU Variant

GF119 B1

GCN 5.0

Architecture

Fermi 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

Unknown

Transistors

0.292 billion

Unknown

Die Size

79 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.3

Shader Model

5.1

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