AMD Radeon R9 390 X2 vs AMD Radeon RX 6500 XT

VS

AMD Radeon R9 390 X2

AMD Radeon RX 6500 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 4GB VRAM Radeon RX 6500 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (345.6GB/s vs 143.9GB/s)

1536 additional rendering cores

AMD Radeon RX 6500 XT 's Advantages

Released 6 years and 4 months late

Boost Clock2815MHz

Lower TDP (107W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2

5.12 TFLOPS

Radeon RX 6500 XT +12%

5.765 TFLOPS

Radeon R9 390 X2

VS

Radeon RX 6500 XT

Graphics Card

Sep 2015

Release Date

Jan 2022

Pirate Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2310 MHz

-

Boost Clock

2815 MHz

1350 MHz

Memory Clock

2248 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

512bit

Memory Bus

64bit

345.6GB/s

Bandwidth

143.9GB/s

Render Config

40

Compute Units

16

-

2560

Shading Units

1024

160

TMUs

64

ROPs

32

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

90.08 GPixel/s

160.0 GTexel/s

Texture Rate

180.2 GTexel/s

-

FP16 (half)

11.53 TFLOPS

5.120 TFLOPS

FP32 (float)

5.765 TFLOPS

640.0 GFLOPS

FP64 (double)

360.3 GFLOPS

Board Design

580W

TDP

107W

950 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

4x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Grenada

GPU Name

Navi 24

Grenada PRO (215-0880030)

GPU Variant

Navi 24 XT (215-135000006)

GCN 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

6.2 billion

Transistors

5.4 billion

438 mm²

Die Size

107 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.2

1.2

Vulkan

1.3

-

6.3

Shader Model

6.6

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