NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon HD 6650A

VS

NVIDIA GeForce RTX 3080 Mobile

AMD Radeon HD 6650A

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 1024MB VRAM Radeon HD 6650A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Released 9 years and 9 months late

Boost Clock1545MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 28.80GB/s)

5664 additional rendering cores

AMD Radeon HD 6650A 's Advantages

Lower TDP (45W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +3195%

18.98 TFLOPS

Radeon HD 6650A

0.576 TFLOPS

GeForce RTX 3080 Mobile

VS

Radeon HD 6650A

Graphics Card

Jan 2021

Release Date

Apr 2011

GeForce 30 Mobile

Generation

All-In-One

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

1110 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

28.80GB/s

Render Config

-

Compute Units

6

48

SM Count

-

6144

Shading Units

480

192

TMUs

24

96

ROPs

8

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

4.800 GPixel/s

296.6 GTexel/s

Texture Rate

14.40 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

576.0 GFLOPS

296.6 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

Onega

GA104-775-A1

GPU Variant

-

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

0.716 billion

392 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

5.0

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