NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon HD 8790M

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB and 2GB VRAM Radeon HD 8790M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 16 GB 's Advantages

Released 7 years and 9 months late

Boost Clock has increased by 72% (1545MHz vs 900MHz)

More VRAM (16GB vs 2GB)

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

5760 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB +2646%

18.98 TFLOPS

Radeon HD 8790M

0.691 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

Radeon HD 8790M

Graphics Card

Jan 2021

Release Date

Apr 2013

GeForce 30 Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

1110 MHz

Base Clock

850 MHz

1545 MHz

Boost Clock

900 MHz

1750 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

48

SM Count

-

6144

Shading Units

384

192

TMUs

24

96

ROPs

8

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

7.200 GPixel/s

296.6 GTexel/s

Texture Rate

21.60 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

691.2 GFLOPS

296.6 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

115W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Mars

GA104-775-A1

GPU Variant

Mars M2 XTX (216-0842036)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

0.95 billion

392 mm²

Die Size

77 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

-

6.8

Shader Model

6.5 (5.1)

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