AMD Radeon RX 6650 XT vs AMD Radeon R9 285

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 2GB VRAM Radeon R9 285 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 7 years and 8 months late

Boost Clock2635MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (280.3GB/s vs 176.0GB/s)

256 additional rendering cores

Lower TDP (176W vs 190W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +227%

10.79 TFLOPS

Radeon R9 285

3.29 TFLOPS

Radeon RX 6650 XT

VS

Radeon R9 285

Graphics Card

May 2022

Release Date

Sep 2014

Navi II

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

2055 MHz

Base Clock

-

2635 MHz

Boost Clock

-

2190 MHz

Memory Clock

1375 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

280.3GB/s

Bandwidth

176.0GB/s

Render Config

-

SM Count

-

32

Compute Units

28

2048

Shading Units

1792

128

TMUs

112

64

ROPs

32

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

168.6 GPixel/s

Pixel Rate

29.38 GPixel/s

337.3 GTexel/s

Texture Rate

102.8 GTexel/s

21.59 TFLOPS

FP16 (half)

3.290 TFLOPS

10.79 TFLOPS

FP32 (float)

3.290 TFLOPS

674.6 GFLOPS

FP64 (double)

205.6 GFLOPS

Graphics Processor

Navi 23

GPU Name

Tonga

Navi 23 KXT (215-130000136)

GPU Variant

Tonga PRO (215-0851128)

RDNA 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

5 billion

237 mm²

Die Size

366 mm²

Board Design

176W

TDP

190W

450 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2.170

-

CUDA

-

6.5

Shader Model

6.5

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