AMD Radeon R9 280X vs AMD Radeon RX 6300

VS

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X 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 280X 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 64.00GB/s)

1280 additional rendering cores

AMD Radeon RX 6300 's Advantages

Boost Clock has increased by 104% (2040MHz vs 1000MHz)

Lower TDP (32W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 280X +30%

4.096 TFLOPS

Radeon RX 6300

3.133 TFLOPS

Radeon R9 280X

VS

Radeon RX 6300

Graphics Card

Oct 2013

Release Date

Unknown

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

850 MHz

Base Clock

1000 MHz

Boost Clock

2040 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

32bit

288.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

32

Compute Units

12

2048

Shading Units

768

128

TMUs

48

32

ROPs

32

-

Tensor Cores

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

1024 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

65.28 GPixel/s

128.0 GTexel/s

Texture Rate

97.92 GTexel/s

-

FP16 (half)

6.267 TFLOPS

4.096 TFLOPS

FP32 (float)

3.133 TFLOPS

1024 GFLOPS

FP64 (double)

195.8 GFLOPS

Graphics Processor

Tahiti

GPU Name

Navi 24

Tahiti XTL (215-0821065)

GPU Variant

Navi 24 XL

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

4.313 billion

Transistors

5.4 billion

352 mm²

Die Size

107 mm²

Board Design

250W

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 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.7

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