AMD Radeon R7 M445 vs AMD Radeon RX 6800S

VS

AMD Radeon R7 M445

AMD Radeon RX 6800S

We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M445 and 8GB VRAM Radeon RX 6800S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800S 's Advantages

Released 5 years and 8 months late

Boost Clock has increased by 128% (2100MHz vs 920MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 32.00GB/s)

1728 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M445

0.588 TFLOPS

Radeon RX 6800S +1362%

8.602 TFLOPS

Radeon R7 M445

VS

Radeon RX 6800S

Graphics Card

May 2016

Release Date

Jan 2022

Gem System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

780 MHz

Base Clock

1800 MHz

920 MHz

Boost Clock

2100 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

256.0GB/s

Render Config

5

Compute Units

32

-

320

Shading Units

2048

20

TMUs

128

8

ROPs

64

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

7.360 GPixel/s

Pixel Rate

134.4 GPixel/s

18.40 GTexel/s

Texture Rate

268.8 GTexel/s

588.8 GFLOPS

FP16 (half)

17.20 TFLOPS

588.8 GFLOPS

FP32 (float)

8.602 TFLOPS

36.80 GFLOPS

FP64 (double)

537.6 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Meso

GPU Name

Navi 23

Meso PRO (216-0864032)

GPU Variant

-

GCN 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.55 billion

Transistors

11.06 billion

125 mm²

Die Size

237 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.3

-

6.5

Shader Model

6.5

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