NVIDIA GeForce 705M vs AMD Radeon RX 6800M

VS

NVIDIA GeForce 705M

AMD Radeon RX 6800M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705M and 12GB VRAM Radeon RX 6800M 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 145W)

AMD Radeon RX 6800M 's Advantages

Boost Clock2390MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 14.40GB/s)

2512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705M

0.142 TFLOPS

Radeon RX 6800M +8519%

12.24 TFLOPS

GeForce 705M

VS

Radeon RX 6800M

Graphics Card

Unknown

Release Date

May 2021

GeForce 700M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2116 MHz

-

Boost Clock

2390 MHz

900 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

12GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

192bit

14.40GB/s

Bandwidth

384.0GB/s

Render Config

-

Compute Units

40

1

SM Count

-

48

Shading Units

2560

8

TMUs

160

4

ROPs

64

-

RT Cores

40

64 KB (per SM)

L1 Cache

128 KB per Array

128 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

1.476 GPixel/s

Pixel Rate

153.0 GPixel/s

5.904 GTexel/s

Texture Rate

382.4 GTexel/s

-

FP16 (half)

24.47 TFLOPS

141.7 GFLOPS

FP32 (float)

12.24 TFLOPS

11.81 GFLOPS

FP64 (double)

764.8 GFLOPS

Board Design

15W

TDP

145W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF119

GPU Name

Navi 22

GF119 B1

GPU Variant

Navi 22 XTM

Fermi 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.292 billion

Transistors

17.2 billion

79 mm²

Die Size

335 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.5

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