AMD Radeon RX 580X vs AMD Radeon RX 7900 XT

VS

AMD Radeon RX 580X AMD Radeon RX 7900 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580X and 20GB VRAM Radeon RX 7900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X 's Advantages

Lower TDP (185W vs 300W)

AMD Radeon RX 7900 XT 's Advantages

Released 4 years and 7 months late

Boost Clock has increased by 79% (2394MHz vs 1340MHz)

More VRAM (20GB vs 8GB)

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

3072 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 580X

6.175 TFLOPS

Radeon RX 7900 XT +733%

51.48 TFLOPS

Radeon RX 580X

VS

Radeon RX 7900 XT

Graphics Card

Apr 2018

Release Date

Nov 2022

Polaris

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1257 MHz

Base Clock

1387 MHz

1340 MHz

Boost Clock

2394 MHz

2000 MHz

Memory Clock

2500 MHz

Memory

8GB

Memory Size

20GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

320bit

256.0GB/s

Bandwidth

800.0GB/s

Render Config

-

SM Count

-

36

Compute Units

84

2304

Shading Units

5376

144

TMUs

336

32

ROPs

192

-

Tensor Cores

-

RT Cores

84

16 KB (per CU)

L1 Cache

256 KB per Array

2 MB

L2 Cache

6 MB

Theoretical Performance

42.88 GPixel/s

Pixel Rate

459.6 GPixel/s

193.0 GTexel/s

Texture Rate

804.4 GTexel/s

6.175 TFLOPS

FP16 (half)

103.0 TFLOPS

6.175 TFLOPS

FP32 (float)

51.48 TFLOPS

385.9 GFLOPS

FP64 (double)

1.609 TFLOPS

Graphics Processor

Polaris 20

GPU Name

Navi 31

Polaris 20 XTX (215-0910038)

GPU Variant

Navi 31 XT (215-145000156)

GCN 4.0

Architecture

RDNA 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

5.7 billion

Transistors

57.7 billion

232 mm²

Die Size

529 mm²

Board Design

185W

TDP

300W

450 W

Suggested PSU

700 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.7

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