AMD Radeon RX 6700 XT vs AMD Radeon RX 580G

VS

AMD Radeon RX 6700 XT

AMD Radeon RX 580G

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6700 XT and 8GB VRAM Radeon RX 580G 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 94% (2581MHz vs 1330MHz)

More VRAM (12GB vs 8GB)

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

256 additional rendering cores

AMD Radeon RX 580G 's Advantages

Lower TDP (185W vs 230W)

Score

Benchmark

FP32 (float)

Radeon RX 6700 XT +115%

13.21 TFLOPS

Radeon RX 580G

6.129 TFLOPS

Radeon RX 6700 XT

VS

Radeon RX 580G

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

1257 MHz

2581 MHz

Boost Clock

1330 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

40

Compute Units

36

-

2560

Shading Units

2304

160

TMUs

144

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

42.56 GPixel/s

413.0 GTexel/s

Texture Rate

191.5 GTexel/s

26.43 TFLOPS

FP16 (half)

6.129 TFLOPS

13.21 TFLOPS

FP32 (float)

6.129 TFLOPS

825.9 GFLOPS

FP64 (double)

383.0 GFLOPS

Board Design

230W

TDP

185W

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 8-pin

Graphics Processor

Navi 22

GPU Name

Polaris 20

Navi 22 XT (215-127000006)

GPU Variant

Polaris 20 XTX (215-0910038)

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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