AMD Radeon RX 6650 XT vs NVIDIA GeForce 405 OEM

VS

AMD Radeon RX 6650 XT

NVIDIA GeForce 405 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 512MB VRAM GeForce 405 OEM 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 11 years and 8 months late

Boost Clock2635MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (280.3GB/s vs 12.64GB/s)

2032 additional rendering cores

NVIDIA GeForce 405 OEM 's Advantages

Lower TDP (25W vs 176W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +23877%

10.79 TFLOPS

GeForce 405 OEM

0.045 TFLOPS

Radeon RX 6650 XT

VS

GeForce 405 OEM

Graphics Card

May 2022

Release Date

Sep 2010

Navi II

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

2055 MHz

Base Clock

-

2635 MHz

Boost Clock

-

2190 MHz

Memory Clock

790 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

280.3GB/s

Bandwidth

12.64GB/s

Render Config

32

Compute Units

-

SM Count

2

2048

Shading Units

16

128

TMUs

8

64

ROPs

4

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

32 KB

32 MB

L3 Cache

-

Theoretical Performance

168.6 GPixel/s

Pixel Rate

2.356 GPixel/s

337.3 GTexel/s

Texture Rate

4.712 GTexel/s

21.59 TFLOPS

FP16 (half)

-

10.79 TFLOPS

FP32 (float)

44.86 GFLOPS

674.6 GFLOPS

FP64 (double)

-

Board Design

176W

TDP

25W

450 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GT218

Navi 23 KXT (215-130000136)

GPU Variant

GT218-300-B1

RDNA 2.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

0.26 billion

237 mm²

Die Size

57 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.2

6.5

Shader Model

4.1

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