NVIDIA GeForce RTX 4090 D vs NVIDIA T400 4 GB

VS

NVIDIA GeForce RTX 4090 D NVIDIA T400 4 GB

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 D and 4GB VRAM T400 4 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 D 's Advantages

Released 2 years and 7 months late

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

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (1008GB/s vs 80.00GB/s)

14208 additional rendering cores

NVIDIA T400 4 GB 's Advantages

Lower TDP (30W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 D +6622%

73.54 TFLOPS

T400 4 GB

1.094 TFLOPS

OctaneBench

GeForce RTX 4090 D +3931%

1290

T400 4 GB

32

GeForce RTX 4090 D

VS

T400 4 GB

Graphics Card

Dec 2023

Release Date

May 2021

GeForce 40

Generation

Quadro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2280 MHz

Base Clock

420 MHz

2520 MHz

Boost Clock

1425 MHz

1313 MHz

Memory Clock

1250 MHz

Memory

24GB

Memory Size

4GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

64bit

1008GB/s

Bandwidth

80.00GB/s

Render Config

114

SM Count

6

-

Compute Units

-

14592

Shading Units

384

456

TMUs

24

176

ROPs

16

456

Tensor Cores

-

114

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

1149 GTexel/s

Texture Rate

34.20 GTexel/s

73.54 TFLOPS

FP16 (half)

2.189 TFLOPS

73.54 TFLOPS

FP32 (float)

1094 GFLOPS

1149 GFLOPS

FP64 (double)

34.20 GFLOPS

Graphics Processor

AD102

GPU Name

TU117

AD102-250-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

Board Design

425W

TDP

30W

800 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

3x mini-DisplayPort 1.4a

1x 16-pin

Power Connectors

None

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

6.7

Shader Model

6.6

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