AMD Radeon RX 6700 XT vs AMD Radeon RX 580 2048SP

VS

AMD Radeon RX 6700 XT

AMD Radeon RX 580 2048SP

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6700 XT 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 RX 6700 XT 's Advantages

Released 2 years and 5 months late

Boost Clock has increased by 101% (2581MHz vs 1284MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 224.0GB/s)

512 additional rendering cores

AMD Radeon RX 580 2048SP 's Advantages

Lower TDP (150W vs 230W)

Score

Benchmark

FP32 (float)

Radeon RX 6700 XT +151%

13.21 TFLOPS

Radeon RX 580 2048SP

5.259 TFLOPS

3DMark Time Spy

Radeon RX 6700 XT +239%

12779

Radeon RX 580 2048SP

3759

Blender

Radeon RX 6700 XT +361%

1748

Radeon RX 580 2048SP

379

Radeon RX 6700 XT

VS

Radeon RX 580 2048SP

Graphics Card

Mar 2021

Release Date

Oct 2018

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2321 MHz

Base Clock

1168 MHz

2581 MHz

Boost Clock

1284 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

12GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

384.0GB/s

Bandwidth

224.0GB/s

Render Config

40

Compute Units

32

-

2560

Shading Units

2048

160

TMUs

128

64

ROPs

32

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

2 MB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

41.09 GPixel/s

413.0 GTexel/s

Texture Rate

164.4 GTexel/s

26.43 TFLOPS

FP16 (half)

5.259 TFLOPS

13.21 TFLOPS

FP32 (float)

5.259 TFLOPS

825.9 GFLOPS

FP64 (double)

328.7 GFLOPS

Board Design

230W

TDP

150W

550 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 22

GPU Name

Polaris 20

Navi 22 XT (215-127000006)

GPU Variant

Polaris 20 XL (215-0910052)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

17.2 billion

Transistors

5.7 billion

335 mm²

Die Size

232 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

6.5

Shader Model

6.4

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