NVIDIA T400 vs AMD Radeon RX 6600

VS

NVIDIA T400

AMD Radeon RX 6600

We compared two Desktop platform GPUs: 2GB VRAM T400 and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T400 's Advantages

Lower TDP (30W vs 132W)

AMD Radeon RX 6600 's Advantages

Boost Clock has increased by 75% (2491MHz vs 1425MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 80.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

T400

1.094 TFLOPS

Radeon RX 6600 +716%

8.928 TFLOPS

T400

VS

Radeon RX 6600

Graphics Card

May 2021

Release Date

Oct 2021

Quadro

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

420 MHz

Base Clock

1626 MHz

1425 MHz

Boost Clock

2491 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

128bit

80.00GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

28

6

SM Count

-

384

Shading Units

1792

24

TMUs

112

16

ROPs

64

-

RT Cores

28

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

159.4 GPixel/s

34.20 GTexel/s

Texture Rate

279.0 GTexel/s

2.189 TFLOPS

FP16 (half)

17.86 TFLOPS

1094 GFLOPS

FP32 (float)

8.928 TFLOPS

34.20 GFLOPS

FP64 (double)

558.0 GFLOPS

Board Design

30W

TDP

132W

200 W

Suggested PSU

300 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 XL (215-130000016)

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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