AMD Radeon Pro 580X vs AMD Radeon HD 8790M

VS

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580X and 2GB VRAM Radeon HD 8790M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580X 's Advantages

Released 5 years and 11 months late

Boost Clock has increased by 33% (1200MHz vs 900MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (218.9GB/s vs 64.00GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 580X +700%

5.53 TFLOPS

Radeon HD 8790M

0.691 TFLOPS

Radeon Pro 580X

VS

Radeon HD 8790M

Graphics Card

Mar 2019

Release Date

Apr 2013

Radeon Pro Mac

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

1100 MHz

Base Clock

850 MHz

1200 MHz

Boost Clock

900 MHz

1710 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

218.9GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

36

Compute Units

6

2304

Shading Units

384

144

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

38.40 GPixel/s

Pixel Rate

7.200 GPixel/s

172.8 GTexel/s

Texture Rate

21.60 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

691.2 GFLOPS

345.6 GFLOPS

FP64 (double)

43.20 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Mars

Ellesmere XTA (216-0886220)

GPU Variant

Mars M2 XTX (216-0842036)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

0.95 billion

232 mm²

Die Size

77 mm²

Board Design

185W

TDP

Unknown

-

Suggested PSU

-

2x HDMI 2.0b

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5 (5.1)

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