NVIDIA GeForce RTX 4090 Ti vs NVIDIA A16 PCIe

VS

NVIDIA GeForce RTX 4090 Ti NVIDIA A16 PCIe

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 Ti and 16GB VRAM A16 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Ti 's Advantages

Boost Clock has increased by 51% (2565MHz vs 1695MHz)

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (1152GB/s vs 231.9GB/s)

16896 additional rendering cores

NVIDIA A16 PCIe 's Advantages

Lower TDP (250W vs 600W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Ti +2048%

93.24 TFLOPS

A16 PCIe

4.339 TFLOPS

GeForce RTX 4090 Ti

VS

A16 PCIe

Graphics Card

Unknown

Release Date

Apr 2021

GeForce 40

Generation

Tesla

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

2325 MHz

Base Clock

885 MHz

2565 MHz

Boost Clock

1695 MHz

1500 MHz

Memory Clock

1812 MHz

Memory

24GB

Memory Size

16GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

128bit

1152GB/s

Bandwidth

231.9GB/s

Render Config

142

SM Count

10

-

Compute Units

-

18176

Shading Units

1280

568

TMUs

40

192

ROPs

32

568

Tensor Cores

40

142

RT Cores

10

128 KB (per SM)

L1 Cache

128 KB (per SM)

96 MB

L2 Cache

2 MB

Theoretical Performance

492.5 GPixel/s

Pixel Rate

54.24 GPixel/s

1457 GTexel/s

Texture Rate

67.80 GTexel/s

93.24 TFLOPS

FP16 (half)

4.339 TFLOPS

93.24 TFLOPS

FP32 (float)

4.339 TFLOPS

1457 GFLOPS

FP64 (double)

135.6 GFLOPS

Graphics Processor

AD102

GPU Name

GA107

AD102-400-A1

GPU Variant

-

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

76.3 billion

Transistors

Unknown

609 mm²

Die Size

Unknown

Board Design

600W

TDP

250W

1000 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

2x 16-pin

Power Connectors

8-pin EPS

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

8.6

6.7

Shader Model

6.6

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