AMD Radeon HD 7790 vs AMD Radeon RX 580 2048SP

VS

AMD Radeon HD 7790

AMD Radeon RX 580 2048SP

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 4GB VRAM Radeon RX 580 2048SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Lower TDP (85W vs 150W)

AMD Radeon RX 580 2048SP 's Advantages

Released 5 years and 7 months late

Boost Clock1284MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 96.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7790

1.792 TFLOPS

Radeon RX 580 2048SP +193%

5.259 TFLOPS

Radeon HD 7790

VS

Radeon RX 580 2048SP

Graphics Card

Mar 2013

Release Date

Oct 2018

Southern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1168 MHz

-

Boost Clock

1284 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

224.0GB/s

Render Config

14

Compute Units

32

-

896

Shading Units

2048

56

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

41.09 GPixel/s

56.00 GTexel/s

Texture Rate

164.4 GTexel/s

-

FP16 (half)

5.259 TFLOPS

1.792 TFLOPS

FP32 (float)

5.259 TFLOPS

112.0 GFLOPS

FP64 (double)

328.7 GFLOPS

Board Design

85W

TDP

150W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Bonaire

GPU Name

Polaris 20

Bonaire XT (215-0839039)

GPU Variant

Polaris 20 XL (215-0910052)

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

5.7 billion

160 mm²

Die Size

232 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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