NVIDIA GeForce 840M vs AMD Radeon RX 6650M

VS

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

Main Differences

NVIDIA GeForce 840M 's Advantages

Lower TDP (33W vs 120W)

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

Score

Benchmark

FP32 (float)

GeForce 840M

0.863 TFLOPS

Radeon RX 6650M +903%

8.659 TFLOPS

Blender

GeForce 840M

67

Radeon RX 6650M +1256%

909

GeForce 840M

VS

Radeon RX 6650M

Graphics Card

Mar 2014

Release Date

Jan 2022

GeForce 800M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1029 MHz

Base Clock

2068 MHz

1124 MHz

Boost Clock

2416 MHz

1001 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

Compute Units

28

384

Shading Units

1792

16

TMUs

112

8

ROPs

64

-

Tensor Cores

-

RT Cores

28

64 KB (per SMM)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

2 MB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

154.6 GPixel/s

17.98 GTexel/s

Texture Rate

270.6 GTexel/s

-

FP16 (half)

17.32 TFLOPS

863.2 GFLOPS

FP32 (float)

8.659 TFLOPS

26.98 GFLOPS

FP64 (double)

541.2 GFLOPS

Graphics Processor

GM108

GPU Name

Navi 23

N15S-GT

GPU Variant

-

Maxwell

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

Unknown

Transistors

11.06 billion

Unknown

Die Size

237 mm²

Board Design

33W

TDP

120W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

5.0

CUDA

-

5.1

Shader Model

6.5

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