AMD Radeon RX 7900 XT vs AMD Radeon RX 580 OEM

VS

AMD Radeon RX 7900 XT

AMD Radeon RX 580 OEM

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 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 7900 XT 's Advantages

Released 6 years and 5 months late

Boost Clock has increased by 89% (2394MHz vs 1266MHz)

More VRAM (20GB vs 8GB)

Larger VRAM bandwidth (800.0GB/s vs 256.0GB/s)

3072 additional rendering cores

AMD Radeon RX 580 OEM 's Advantages

Lower TDP (150W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +782%

51.48 TFLOPS

Radeon RX 580 OEM

5.834 TFLOPS

Radeon RX 7900 XT

VS

Radeon RX 580 OEM

Graphics Card

Nov 2022

Release Date

Jun 2016

Navi III

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1387 MHz

Base Clock

1120 MHz

2394 MHz

Boost Clock

1266 MHz

2500 MHz

Memory Clock

2000 MHz

Memory

20GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

256bit

800.0GB/s

Bandwidth

256.0GB/s

Render Config

84

Compute Units

36

-

5376

Shading Units

2304

336

TMUs

144

192

ROPs

32

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

2 MB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

40.51 GPixel/s

804.4 GTexel/s

Texture Rate

182.3 GTexel/s

103.0 TFLOPS

FP16 (half)

5.834 TFLOPS

51.48 TFLOPS

FP32 (float)

5.834 TFLOPS

1.609 TFLOPS

FP64 (double)

364.6 GFLOPS

Board Design

300W

TDP

150W

700 W

Suggested PSU

450 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 31

GPU Name

Ellesmere

Navi 31 XT (215-145000156)

GPU Variant

Polaris 10 XT (215-0876184)

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

57.7 billion

Transistors

5.7 billion

529 mm²

Die Size

232 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

6.7

Shader Model

6.4

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