NVIDIA GeForce RTX 4090 vs AMD Radeon RX 455 OEM

VS

NVIDIA GeForce RTX 4090 AMD Radeon RX 455 OEM

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 2GB VRAM Radeon RX 455 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 6 years and 3 months late

Boost Clock2520MHz

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1008GB/s vs 104.0GB/s)

15616 additional rendering cores

AMD Radeon RX 455 OEM 's Advantages

Lower TDP (100W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +5019%

82.58 TFLOPS

Radeon RX 455 OEM

1.613 TFLOPS

GeForce RTX 4090

VS

Radeon RX 455 OEM

Graphics Card

Sep 2022

Release Date

Jun 2016

GeForce 40

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

1625 MHz

Memory

24GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

128bit

1008GB/s

Bandwidth

104.0GB/s

Render Config

128

SM Count

-

Compute Units

12

16384

Shading Units

768

512

TMUs

48

176

ROPs

16

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

72 MB

L2 Cache

256 KB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

16.80 GPixel/s

1290 GTexel/s

Texture Rate

50.40 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

1.613 TFLOPS

1290 GFLOPS

FP64 (double)

100.8 GFLOPS

Graphics Processor

AD102

GPU Name

Tobago

AD102-300-A1

GPU Variant

Tobago PRO (215-0875010)

Ada Lovelace

Architecture

GCN 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

76.3 billion

Transistors

2.08 billion

609 mm²

Die Size

160 mm²

Board Design

450W

TDP

100W

850 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 16-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

8.9

CUDA

-

6.7

Shader Model

6.3

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