AMD Radeon RX 580G vs AMD Radeon HD 6790

VS

AMD Radeon RX 580G

AMD Radeon HD 6790

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580G 's Advantages

Released 7 years and 6 months late

Boost Clock1330MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 134.4GB/s)

1504 additional rendering cores

AMD Radeon HD 6790 's Advantages

Lower TDP (150W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580G +356%

6.129 TFLOPS

Radeon HD 6790

1.344 TFLOPS

Radeon RX 580G

VS

Radeon HD 6790

Graphics Card

Oct 2018

Release Date

Apr 2011

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1330 MHz

Boost Clock

-

2000 MHz

Memory Clock

1050 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

134.4GB/s

Render Config

36

Compute Units

10

-

2304

Shading Units

800

144

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

42.56 GPixel/s

Pixel Rate

13.44 GPixel/s

191.5 GTexel/s

Texture Rate

33.60 GTexel/s

6.129 TFLOPS

FP16 (half)

-

6.129 TFLOPS

FP32 (float)

1344 GFLOPS

383.0 GFLOPS

FP64 (double)

-

Board Design

185W

TDP

150W

450 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Polaris 20

GPU Name

Barts

Polaris 20 XTX (215-0910038)

GPU Variant

Barts LE (215-0798002)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

1.7 billion

232 mm²

Die Size

255 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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