AMD Radeon RX 6800M vs AMD Radeon RX 6650M

VS

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 8GB VRAM Radeon RX 6650M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800M 's Advantages

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (384.0GB/s vs 256.0GB/s)

768 additional rendering cores

AMD Radeon RX 6650M 's Advantages

Released 8 months late

Boost Clock has increased by 1% (2416MHz vs 2390MHz)

Lower TDP (120W vs 145W)

Score

Benchmark

FP32 (float)

Radeon RX 6800M +41%

12.24 TFLOPS

Radeon RX 6650M

8.659 TFLOPS

Blender

Radeon RX 6800M +61%

1472

Radeon RX 6650M

909

Radeon RX 6800M

VS

Radeon RX 6650M

Graphics Card

May 2021

Release Date

Jan 2022

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

2116 MHz

Base Clock

2068 MHz

2390 MHz

Boost Clock

2416 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

192bit

Memory Bus

128bit

384.0GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

40

Compute Units

28

2560

Shading Units

1792

160

TMUs

112

64

ROPs

64

-

Tensor Cores

-

40

RT Cores

28

128 KB per Array

L1 Cache

128 KB per Array

3 MB

L2 Cache

2 MB

Theoretical Performance

153.0 GPixel/s

Pixel Rate

154.6 GPixel/s

382.4 GTexel/s

Texture Rate

270.6 GTexel/s

24.47 TFLOPS

FP16 (half)

17.32 TFLOPS

12.24 TFLOPS

FP32 (float)

8.659 TFLOPS

764.8 GFLOPS

FP64 (double)

541.2 GFLOPS

Graphics Processor

Navi 22

GPU Name

Navi 23

Navi 22 XTM

GPU Variant

-

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

17.2 billion

Transistors

11.06 billion

335 mm²

Die Size

237 mm²

Board Design

145W

TDP

120W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.5

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