AMD Radeon RX 6650 XT vs AMD Radeon R9 280X2

VS

AMD Radeon RX 6650 XT

AMD Radeon R9 280X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 3GB VRAM Radeon R9 280X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650 XT 's Advantages

Boost Clock has increased by 164% (2635MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

Lower TDP (176W vs 375W)

AMD Radeon R9 280X2 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 280.3GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +163%

10.79 TFLOPS

Radeon R9 280X2

4.096 TFLOPS

Radeon RX 6650 XT

VS

Radeon R9 280X2

Graphics Card

May 2022

Release Date

Unknown

Navi II

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

2055 MHz

Base Clock

950 MHz

2635 MHz

Boost Clock

1000 MHz

2190 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

384bit

280.3GB/s

Bandwidth

288.0GB/s

Render Config

32

Compute Units

32

-

2048

Shading Units

2048

128

TMUs

128

64

ROPs

32

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

32 MB

L3 Cache

-

Theoretical Performance

168.6 GPixel/s

Pixel Rate

32.00 GPixel/s

337.3 GTexel/s

Texture Rate

128.0 GTexel/s

21.59 TFLOPS

FP16 (half)

-

10.79 TFLOPS

FP32 (float)

4.096 TFLOPS

674.6 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

176W

TDP

375W

450 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

6x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

3x 8-pin

Graphics Processor

Navi 23

GPU Name

Tahiti

Navi 23 KXT (215-130000136)

GPU Variant

Tahiti XTL (215-0821065)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

4.313 billion

237 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.5

Shader Model

5.1

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