AMD Radeon RX 580X vs AMD Radeon HD 7790

VS

AMD Radeon RX 580X

AMD Radeon HD 7790

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580X and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X 's Advantages

Released 5 years and 1 months late

Boost Clock1340MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)

1408 additional rendering cores

AMD Radeon HD 7790 's Advantages

Lower TDP (85W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580X +244%

6.175 TFLOPS

Radeon HD 7790

1.792 TFLOPS

Radeon RX 580X

VS

Radeon HD 7790

Graphics Card

Apr 2018

Release Date

Mar 2013

Polaris

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1340 MHz

Boost Clock

-

2000 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

96.00GB/s

Render Config

36

Compute Units

14

-

2304

Shading Units

896

144

TMUs

56

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

42.88 GPixel/s

Pixel Rate

16.00 GPixel/s

193.0 GTexel/s

Texture Rate

56.00 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

1.792 TFLOPS

385.9 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

185W

TDP

85W

450 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Polaris 20

GPU Name

Bonaire

Polaris 20 XTX (215-0910038)

GPU Variant

Bonaire XT (215-0839039)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.08 billion

232 mm²

Die Size

160 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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