NVIDIA GeForce RTX 3080 Mobile vs ATI Mobility Radeon HD 5145

VS

NVIDIA GeForce RTX 3080 Mobile

ATI Mobility Radeon HD 5145

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 1024MB VRAM Mobility Radeon HD 5145 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 11 years late

Boost Clock1545MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 14.40GB/s)

6064 additional rendering cores

ATI Mobility Radeon HD 5145 's Advantages

Lower TDP (15W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +16404%

18.98 TFLOPS

Mobility Radeon HD 5145

0.115 TFLOPS

GeForce RTX 3080 Mobile

VS

Mobility Radeon HD 5145

Graphics Card

Jan 2021

Release Date

Jan 2010

GeForce 30 Mobile

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1110 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

1

48

SM Count

-

6144

Shading Units

80

192

TMUs

8

96

ROPs

4

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

64 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

2.880 GPixel/s

296.6 GTexel/s

Texture Rate

5.760 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

115.2 GFLOPS

296.6 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

M92

GA104-775-A1

GPU Variant

-

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

17.4 billion

Transistors

0.242 billion

392 mm²

Die Size

73 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

4.1

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