NVIDIA GeForce RTX 4090 D vs AMD Radeon R9 255 OEM

VS

NVIDIA GeForce RTX 4090 D AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 D and 2GB VRAM Radeon R9 255 OEM 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 10 years late

Boost Clock has increased by 171% (2520MHz vs 930MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1008GB/s vs 73.60GB/s)

14080 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 D +7624%

73.54 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

GeForce RTX 4090 D

VS

Radeon R9 255 OEM

Graphics Card

Dec 2023

Release Date

Dec 2013

GeForce 40

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2280 MHz

Base Clock

900 MHz

2520 MHz

Boost Clock

930 MHz

1313 MHz

Memory Clock

1150 MHz

Memory

24GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

128bit

1008GB/s

Bandwidth

73.60GB/s

Render Config

114

SM Count

-

Compute Units

8

14592

Shading Units

512

456

TMUs

32

176

ROPs

16

456

Tensor Cores

-

114

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

14.88 GPixel/s

1149 GTexel/s

Texture Rate

29.76 GTexel/s

73.54 TFLOPS

FP16 (half)

-

73.54 TFLOPS

FP32 (float)

952.3 GFLOPS

1149 GFLOPS

FP64 (double)

59.52 GFLOPS

Graphics Processor

AD102

GPU Name

Cape Verde

AD102-250-A1

GPU Variant

Cape Verde PRX

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

76.3 billion

Transistors

1.5 billion

609 mm²

Die Size

123 mm²

Board Design

425W

TDP

65W

800 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 16-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.9

CUDA

-

6.7

Shader Model

5.1

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