AMD Radeon RX 580X vs AMD Radeon HD 7720 OEM

VS

AMD Radeon RX 580X

AMD Radeon HD 7720 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580X and 1024MB VRAM Radeon HD 7720 OEM 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 134.4GB/s)

1504 additional rendering cores

AMD Radeon HD 7720 OEM 's Advantages

Lower TDP (150W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580X +359%

6.175 TFLOPS

Radeon HD 7720 OEM

1.344 TFLOPS

Radeon RX 580X

VS

Radeon HD 7720 OEM

Graphics Card

Apr 2018

Release Date

Mar 2013

Polaris

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1340 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

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

42.88 GPixel/s

Pixel Rate

26.88 GPixel/s

193.0 GTexel/s

Texture Rate

33.60 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

1344 GFLOPS

385.9 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

-

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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