AMD Radeon R9 280 vs AMD Radeon RX 6650 XT

VS

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

Main Differences

AMD Radeon RX 6650 XT 's Advantages

Released 8 years and 2 months late

Boost Clock has increased by 182% (2635MHz vs 933MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (280.3GB/s vs 240.0GB/s)

256 additional rendering cores

Lower TDP (176W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 280

3.344 TFLOPS

Radeon RX 6650 XT +222%

10.79 TFLOPS

3DMark Time Spy

Radeon R9 280

2009

Radeon RX 6650 XT +392%

9897

Radeon R9 280

VS

Radeon RX 6650 XT

Graphics Card

Mar 2014

Release Date

May 2022

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

827 MHz

Base Clock

2055 MHz

933 MHz

Boost Clock

2635 MHz

1250 MHz

Memory Clock

2190 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

280.3GB/s

Render Config

-

SM Count

-

28

Compute Units

32

1792

Shading Units

2048

112

TMUs

128

32

ROPs

64

-

Tensor Cores

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

2 MB

Theoretical Performance

29.86 GPixel/s

Pixel Rate

168.6 GPixel/s

104.5 GTexel/s

Texture Rate

337.3 GTexel/s

-

FP16 (half)

21.59 TFLOPS

3.344 TFLOPS

FP32 (float)

10.79 TFLOPS

836.0 GFLOPS

FP64 (double)

674.6 GFLOPS

Graphics Processor

Tahiti

GPU Name

Navi 23

Tahiti PRO3 (215-0821330)

GPU Variant

Navi 23 KXT (215-130000136)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

11.06 billion

352 mm²

Die Size

237 mm²

Board Design

200W

TDP

176W

550 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.5

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