NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon R9 M265X

VS

NVIDIA GeForce RTX 3080 Mobile

AMD Radeon R9 M265X

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 2GB VRAM Radeon R9 M265X 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 6 years and 10 months late

Boost Clock has increased by 147% (1545MHz vs 625MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 64.00GB/s)

5504 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +2272%

18.98 TFLOPS

Radeon R9 M265X

0.8 TFLOPS

GeForce RTX 3080 Mobile

VS

Radeon R9 M265X

Graphics Card

Jan 2021

Release Date

Mar 2014

GeForce 30 Mobile

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1110 MHz

Base Clock

575 MHz

1545 MHz

Boost Clock

625 MHz

1750 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

48

SM Count

-

6144

Shading Units

640

192

TMUs

40

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

10.00 GPixel/s

296.6 GTexel/s

Texture Rate

25.00 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

800.0 GFLOPS

296.6 GFLOPS

FP64 (double)

50.00 GFLOPS

Board Design

115W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

Venus

GA104-775-A1

GPU Variant

Venus PRO (216-0846009)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

1.5 billion

392 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

8.6

CUDA

-

6.6

Shader Model

6.5 (5.1)

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