AMD Radeon R9 390 vs AMD Radeon RX 6300

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 2GB VRAM Radeon RX 6300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 's Advantages

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 64.00GB/s)

1792 additional rendering cores

AMD Radeon RX 6300 's Advantages

Boost Clock2040MHz

Lower TDP (32W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390 +63%

5.12 TFLOPS

Radeon RX 6300

3.133 TFLOPS

Radeon R9 390

VS

Radeon RX 6300

Graphics Card

Jun 2015

Release Date

Unknown

Pirate Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

2040 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

512bit

Memory Bus

32bit

384.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

40

Compute Units

12

2560

Shading Units

768

160

TMUs

48

64

ROPs

32

-

Tensor Cores

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

1024 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

65.28 GPixel/s

160.0 GTexel/s

Texture Rate

97.92 GTexel/s

-

FP16 (half)

6.267 TFLOPS

5.120 TFLOPS

FP32 (float)

3.133 TFLOPS

640.0 GFLOPS

FP64 (double)

195.8 GFLOPS

Graphics Processor

Grenada

GPU Name

Navi 24

Grenada PRO (215-0880030)

GPU Variant

Navi 24 XL

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

Board Design

275W

TDP

32W

600 W

Suggested PSU

200 W

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

Outputs

2x HDMI 2.1

1x 6-pin + 1x 8-pin

Power Connectors

None

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

-

CUDA

-

6.3

Shader Model

6.7

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