NVIDIA RTX A400 vs AMD Radeon RX 6650 XT

VS

NVIDIA RTX A400

AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 8GB VRAM Radeon RX 6650 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 1 years and 11 months late

Lower TDP (50W vs 176W)

AMD Radeon RX 6650 XT 's Advantages

Boost Clock has increased by 50% (2635MHz vs 1762MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (280.3GB/s vs 96.00GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A400

2.706 TFLOPS

Radeon RX 6650 XT +298%

10.79 TFLOPS

RTX A400

VS

Radeon RX 6650 XT

Graphics Card

Apr 2024

Release Date

May 2022

Quadro Ampere(Ax000)

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1417 MHz

Base Clock

2055 MHz

1762 MHz

Boost Clock

2635 MHz

1500 MHz

Memory Clock

2190 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

128bit

96.00GB/s

Bandwidth

280.3GB/s

Render Config

-

Compute Units

32

6

SM Count

-

768

Shading Units

2048

24

TMUs

128

16

ROPs

64

24

Tensor Cores

-

6

RT Cores

32

128 KB (per SM)

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

28.19 GPixel/s

Pixel Rate

168.6 GPixel/s

42.29 GTexel/s

Texture Rate

337.3 GTexel/s

2.706 TFLOPS

FP16 (half)

21.59 TFLOPS

2.706 TFLOPS

FP32 (float)

10.79 TFLOPS

42.29 GFLOPS

FP64 (double)

674.6 GFLOPS

Board Design

50W

TDP

176W

250 W

Suggested PSU

450 W

4x mini-DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

GA107

GPU Name

Navi 23

-

GPU Variant

Navi 23 KXT (215-130000136)

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

8.7 billion

Transistors

11.06 billion

200 mm²

Die Size

237 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.6

CUDA

-

6.8

Shader Model

6.5

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