NVIDIA GeForce RTX 4090 vs NVIDIA A16 PCIe

VS

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 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 's Advantages

Released 1 years and 5 months late

Boost Clock has increased by 49% (2520MHz vs 1695MHz)

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (1008GB/s vs 231.9GB/s)

15104 additional rendering cores

NVIDIA A16 PCIe 's Advantages

Lower TDP (250W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +1803%

82.58 TFLOPS

A16 PCIe

4.339 TFLOPS

Blender

GeForce RTX 4090 +2433%

12921

A16 PCIe

510

GeForce RTX 4090

VS

A16 PCIe

Graphics Card

Sep 2022

Release Date

Apr 2021

GeForce 40

Generation

Tesla

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

2235 MHz

Base Clock

885 MHz

2520 MHz

Boost Clock

1695 MHz

1313 MHz

Memory Clock

1812 MHz

Memory

24GB

Memory Size

16GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

128bit

1008GB/s

Bandwidth

231.9GB/s

Render Config

128

SM Count

10

-

Compute Units

-

16384

Shading Units

1280

512

TMUs

40

176

ROPs

32

512

Tensor Cores

40

128

RT Cores

10

128 KB (per SM)

L1 Cache

128 KB (per SM)

72 MB

L2 Cache

2 MB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

54.24 GPixel/s

1290 GTexel/s

Texture Rate

67.80 GTexel/s

82.58 TFLOPS

FP16 (half)

4.339 TFLOPS

82.58 TFLOPS

FP32 (float)

4.339 TFLOPS

1290 GFLOPS

FP64 (double)

135.6 GFLOPS

Graphics Processor

AD102

GPU Name

GA107

AD102-300-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

450W

TDP

250W

850 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 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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