AMD Radeon RX 6950 XT vs AMD Radeon RX 580 OEM

VS

AMD Radeon RX 6950 XT

AMD Radeon RX 580 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6950 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 6950 XT 's Advantages

Released 5 years and 11 months late

Boost Clock has increased by 82% (2310MHz vs 1266MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 256.0GB/s)

2816 additional rendering cores

AMD Radeon RX 580 OEM 's Advantages

Lower TDP (150W vs 335W)

Score

Benchmark

FP32 (float)

Radeon RX 6950 XT +305%

23.65 TFLOPS

Radeon RX 580 OEM

5.834 TFLOPS

Radeon RX 6950 XT

VS

Radeon RX 580 OEM

Graphics Card

May 2022

Release Date

Jun 2016

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1860 MHz

Base Clock

1120 MHz

2310 MHz

Boost Clock

1266 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

256.0GB/s

Render Config

80

Compute Units

36

-

5120

Shading Units

2304

320

TMUs

144

128

ROPs

32

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

2 MB

128 MB

L3 Cache

-

Theoretical Performance

295.7 GPixel/s

Pixel Rate

40.51 GPixel/s

739.2 GTexel/s

Texture Rate

182.3 GTexel/s

47.31 TFLOPS

FP16 (half)

5.834 TFLOPS

23.65 TFLOPS

FP32 (float)

5.834 TFLOPS

1478 GFLOPS

FP64 (double)

364.6 GFLOPS

Board Design

335W

TDP

150W

700 W

Suggested PSU

450 W

1x HDMI 2.1 2x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 21

GPU Name

Ellesmere

Navi 21 KXTX (215-121000289)

GPU Variant

Polaris 10 XT (215-0876184)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

26.8 billion

Transistors

5.7 billion

520 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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