NVIDIA T400 4 GB vs AMD Radeon RX 6650 XT

VS

NVIDIA T400 4 GB

AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 4GB VRAM T400 4 GB 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 T400 4 GB 's Advantages

Lower TDP (30W vs 176W)

AMD Radeon RX 6650 XT 's Advantages

Released 1 years late

Boost Clock has increased by 85% (2635MHz vs 1425MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (280.3GB/s vs 80.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

T400 4 GB

1.094 TFLOPS

Radeon RX 6650 XT +886%

10.79 TFLOPS

Blender

T400 4 GB

182

Radeon RX 6650 XT +613%

1299

T400 4 GB

VS

Radeon RX 6650 XT

Graphics Card

May 2021

Release Date

May 2022

Quadro

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

420 MHz

Base Clock

2055 MHz

1425 MHz

Boost Clock

2635 MHz

1250 MHz

Memory Clock

2190 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

128bit

80.00GB/s

Bandwidth

280.3GB/s

Render Config

-

Compute Units

32

6

SM Count

-

384

Shading Units

2048

24

TMUs

128

16

ROPs

64

-

RT Cores

32

64 KB (per SM)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

22.80 GPixel/s

Pixel Rate

168.6 GPixel/s

34.20 GTexel/s

Texture Rate

337.3 GTexel/s

2.189 TFLOPS

FP16 (half)

21.59 TFLOPS

1094 GFLOPS

FP32 (float)

10.79 TFLOPS

34.20 GFLOPS

FP64 (double)

674.6 GFLOPS

Board Design

30W

TDP

176W

200 W

Suggested PSU

450 W

3x mini-DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

TU117

GPU Name

Navi 23

-

GPU Variant

Navi 23 KXT (215-130000136)

Turing

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

7 nm

4.7 billion

Transistors

11.06 billion

200 mm²

Die Size

237 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

7.5

CUDA

-

6.6

Shader Model

6.5

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