AMD Radeon RX 6650 XT vs AMD Radeon RX 6900 XTX

VS

AMD Radeon RX 6650 XT AMD Radeon RX 6900 XTX

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 16GB VRAM Radeon RX 6900 XTX 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 8% (2635MHz vs 2435MHz)

Lower TDP (176W vs 330W)

AMD Radeon RX 6900 XTX 's Advantages

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 280.3GB/s)

3072 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT

10.79 TFLOPS

Radeon RX 6900 XTX +131%

24.93 TFLOPS

Radeon RX 6650 XT

VS

Radeon RX 6900 XTX

Graphics Card

May 2022

Release Date

Unknown

Navi II

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

2055 MHz

Base Clock

2075 MHz

2635 MHz

Boost Clock

2435 MHz

2190 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

256bit

280.3GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

-

32

Compute Units

80

2048

Shading Units

5120

128

TMUs

320

64

ROPs

128

-

Tensor Cores

-

32

RT Cores

80

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

4 MB

Theoretical Performance

168.6 GPixel/s

Pixel Rate

311.7 GPixel/s

337.3 GTexel/s

Texture Rate

779.2 GTexel/s

21.59 TFLOPS

FP16 (half)

49.87 TFLOPS

10.79 TFLOPS

FP32 (float)

24.93 TFLOPS

674.6 GFLOPS

FP64 (double)

1.558 TFLOPS

Graphics Processor

Navi 23

GPU Name

Navi 21

Navi 23 KXT (215-130000136)

GPU Variant

Navi 21 XTXH (215-121000247)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

11.06 billion

Transistors

26.8 billion

237 mm²

Die Size

520 mm²

Board Design

176W

TDP

330W

450 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.5

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