AMD Radeon RX 6500 XT vs AMD Radeon R9 390

VS

AMD Radeon RX 6500 XT

AMD Radeon R9 390

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

Main Differences

AMD Radeon RX 6500 XT 's Advantages

Released 6 years and 7 months late

Boost Clock2815MHz

Lower TDP (107W vs 275W)

AMD Radeon R9 390 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 143.9GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6500 XT +12%

5.765 TFLOPS

Radeon R9 390

5.12 TFLOPS

3DMark Time Spy

Radeon RX 6500 XT +24%

4918

Radeon R9 390

3950

Radeon RX 6500 XT

VS

Radeon R9 390

Graphics Card

Jan 2022

Release Date

Jun 2015

Navi II

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

2310 MHz

Base Clock

-

2815 MHz

Boost Clock

-

2248 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

512bit

143.9GB/s

Bandwidth

384.0GB/s

Render Config

16

Compute Units

40

-

1024

Shading Units

2560

64

TMUs

160

32

ROPs

64

-

16

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

1024 KB

16 MB

L3 Cache

-

Theoretical Performance

90.08 GPixel/s

Pixel Rate

64.00 GPixel/s

180.2 GTexel/s

Texture Rate

160.0 GTexel/s

11.53 TFLOPS

FP16 (half)

-

5.765 TFLOPS

FP32 (float)

5.120 TFLOPS

360.3 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

107W

TDP

275W

300 W

Suggested PSU

600 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 24

GPU Name

Grenada

Navi 24 XT (215-135000006)

GPU Variant

Grenada PRO (215-0880030)

RDNA 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

6.2 billion

107 mm²

Die Size

438 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.0

1.3

Vulkan

1.2

-

6.6

Shader Model

6.3

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