NVIDIA GeForce RTX 4090 vs NVIDIA T400

VS

NVIDIA GeForce RTX 4090

NVIDIA T400

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 1 years and 4 months late

Boost Clock has increased by 77% (2520MHz vs 1425MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1.01TB/s vs 80.00GB/s)

16000 additional rendering cores

NVIDIA T400 's Advantages

Lower TDP (30W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +7448%

82.58 TFLOPS

T400

1.094 TFLOPS

GeForce RTX 4090

VS

T400

Graphics Card

Sep 2022

Release Date

May 2021

GeForce 40

Generation

Quadro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

420 MHz

2520 MHz

Boost Clock

1425 MHz

1313 MHz

Memory Clock

1250 MHz

Memory

24GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

64bit

1.01TB/s

Bandwidth

80.00GB/s

Render Config

-

128

SM Count

6

16384

Shading Units

384

512

TMUs

24

176

ROPs

16

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

72 MB

L2 Cache

1024 KB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

22.80 GPixel/s

1290 GTexel/s

Texture Rate

34.20 GTexel/s

82.58 TFLOPS

FP16 (half)

2.189 TFLOPS

82.58 TFLOPS

FP32 (float)

1094 GFLOPS

1290 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

450W

TDP

30W

850 W

Suggested PSU

200 W

1x HDMI 2.13x DisplayPort 1.4a

Outputs

3x mini-DisplayPort 1.4a

1x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

TU117

AD102-300-A1

GPU Variant

-

Ada Lovelace

Architecture

Turing

TSMC

Foundry

TSMC

5 nm

Process Size

12 nm

76.3 billion

Transistors

4.7 billion

609 mm²

Die Size

200 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

7.5

6.8

Shader Model

6.6

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