AMD Radeon R9 390X vs AMD Radeon RX 5500 XT

VS

AMD Radeon R9 390X

AMD Radeon RX 5500 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 4GB VRAM Radeon RX 5500 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 224.0GB/s)

1408 additional rendering cores

AMD Radeon RX 5500 XT 's Advantages

Released 4 years and 6 months late

Boost Clock1845MHz

Lower TDP (130W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +13%

5.914 TFLOPS

Radeon RX 5500 XT

5.196 TFLOPS

3DMark Time Spy

Radeon R9 390X

4245

Radeon RX 5500 XT +15%

4915

Radeon R9 390X

VS

Radeon RX 5500 XT

Graphics Card

Jun 2015

Release Date

Dec 2019

Pirate Islands

Generation

Navi

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1607 MHz

-

Boost Clock

1845 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

512bit

Memory Bus

128bit

384.0GB/s

Bandwidth

224.0GB/s

Render Config

44

Compute Units

22

-

2816

Shading Units

1408

176

TMUs

88

64

ROPs

32

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

59.04 GPixel/s

184.8 GTexel/s

Texture Rate

162.4 GTexel/s

-

FP16 (half)

10.39 TFLOPS

5.914 TFLOPS

FP32 (float)

5.196 TFLOPS

739.2 GFLOPS

FP64 (double)

324.7 GFLOPS

Board Design

275W

TDP

130W

600 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Grenada

GPU Name

Navi 14

Grenada XT (215-0880004)

GPU Variant

Navi 14 XTX (215-0932396)

GCN 2.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

6.2 billion

Transistors

6.4 billion

438 mm²

Die Size

158 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

6.3

Shader Model

6.5

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