NVIDIA GeForce RTX 3080 Ti Mobile vs AMD Radeon R9 M275

VS

NVIDIA GeForce RTX 3080 Ti Mobile

AMD Radeon R9 M275

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 2GB VRAM Radeon R9 M275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

Released 8 years late

Boost Clock has increased by 36% (1260MHz vs 925MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

6784 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti Mobile +1480%

18.71 TFLOPS

Radeon R9 M275

1.184 TFLOPS

GeForce RTX 3080 Ti Mobile

VS

Radeon R9 M275

Graphics Card

Jan 2022

Release Date

Jan 2014

GeForce 30 Mobile

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

810 MHz

Base Clock

900 MHz

1260 MHz

Boost Clock

925 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

58

SM Count

-

7424

Shading Units

640

232

TMUs

40

96

ROPs

16

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

121.0 GPixel/s

Pixel Rate

14.80 GPixel/s

292.3 GTexel/s

Texture Rate

37.00 GTexel/s

18.71 TFLOPS

FP16 (half)

-

18.71 TFLOPS

FP32 (float)

1184 GFLOPS

292.3 GFLOPS

FP64 (double)

74.00 GFLOPS

Board Design

115W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GA103S

GPU Name

Venus

GN20-E8-A1

GPU Variant

Venus XTX (216-0846033)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

Unknown

Transistors

1.5 billion

496 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

-

6.5

Shader Model

6.5 (5.1)

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