NVIDIA GeForce 705M vs AMD Radeon 620 Mobile

VS

NVIDIA GeForce 705M

AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705M and 2GB VRAM Radeon 620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 705M 's Advantages

Lower TDP (15W vs 50W)

AMD Radeon 620 Mobile 's Advantages

Boost Clock1024MHz

More VRAM (2GB vs 1024GB)

336 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705M

0.142 TFLOPS

Radeon 620 Mobile +453%

0.786 TFLOPS

GeForce 705M

VS

Radeon 620 Mobile

Graphics Card

Unknown

Release Date

May 2019

GeForce 700M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

1024 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

6

1

SM Count

-

48

Shading Units

384

8

TMUs

24

4

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

1.476 GPixel/s

Pixel Rate

8.192 GPixel/s

5.904 GTexel/s

Texture Rate

24.58 GTexel/s

-

FP16 (half)

786.4 GFLOPS

141.7 GFLOPS

FP32 (float)

786.4 GFLOPS

11.81 GFLOPS

FP64 (double)

49.15 GFLOPS

Board Design

15W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF119

GPU Name

Polaris 24

GF119 B1

GPU Variant

Polaris 24 XL

Fermi 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

1.55 billion

79 mm²

Die Size

125 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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