AMD Radeon RX 6700 XT vs AMD Radeon RX 580 OEM

VS

AMD Radeon RX 6700 XT AMD Radeon RX 580 OEM

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6700 XT and 8GB VRAM Radeon RX 580 OEM 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 4 years and 9 months late

Boost Clock has increased by 104% (2581MHz vs 1266MHz)

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (384.0GB/s vs 256.0GB/s)

256 additional rendering cores

AMD Radeon RX 580 OEM 's Advantages

Lower TDP (150W vs 230W)

Score

Benchmark

FP32 (float)

Radeon RX 6700 XT +126%

13.21 TFLOPS

Radeon RX 580 OEM

5.834 TFLOPS

Radeon RX 6700 XT

VS

Radeon RX 580 OEM

Graphics Card

Mar 2021

Release Date

Jun 2016

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2321 MHz

Base Clock

1120 MHz

2581 MHz

Boost Clock

1266 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

384.0GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

40

Compute Units

36

2560

Shading Units

2304

160

TMUs

144

64

ROPs

32

-

Tensor Cores

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

2 MB

Theoretical Performance

165.2 GPixel/s

Pixel Rate

40.51 GPixel/s

413.0 GTexel/s

Texture Rate

182.3 GTexel/s

26.43 TFLOPS

FP16 (half)

5.834 TFLOPS

13.21 TFLOPS

FP32 (float)

5.834 TFLOPS

825.9 GFLOPS

FP64 (double)

364.6 GFLOPS

Graphics Processor

Navi 22

GPU Name

Ellesmere

Navi 22 XT (215-127000006)

GPU Variant

Polaris 10 XT (215-0876184)

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

Board Design

230W

TDP

150W

550 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

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

-

CUDA

-

6.5

Shader Model

6.4

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