AMD Radeon RX 6650M vs NVIDIA GeForce 840M

VS

AMD Radeon RX 6650M

NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6650M and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650M 's Advantages

Released 7 years and 10 months late

Boost Clock has increased by 115% (2416MHz vs 1124MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 16.02GB/s)

1408 additional rendering cores

NVIDIA GeForce 840M 's Advantages

Lower TDP (33W vs 120W)

Score

Benchmark

FP32 (float)

Radeon RX 6650M +903%

8.659 TFLOPS

GeForce 840M

0.863 TFLOPS

Blender

Radeon RX 6650M +1256%

909

GeForce 840M

67

Radeon RX 6650M

VS

GeForce 840M

Graphics Card

Jan 2022

Release Date

Mar 2014

Mobility Radeon

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

2068 MHz

Base Clock

1029 MHz

2416 MHz

Boost Clock

1124 MHz

2000 MHz

Memory Clock

1001 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

256.0GB/s

Bandwidth

16.02GB/s

Render Config

28

Compute Units

-

1792

Shading Units

384

112

TMUs

16

64

ROPs

8

-

28

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

1024 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

8.992 GPixel/s

270.6 GTexel/s

Texture Rate

17.98 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

863.2 GFLOPS

541.2 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

120W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

GM108

-

GPU Variant

N15S-GT

RDNA 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

Unknown

237 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

5.0

6.5

Shader Model

5.1

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