NVIDIA GeForce RTX 5090 vs AMD Radeon R9 255 OEM

VS

NVIDIA GeForce RTX 5090

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 32GB VRAM GeForce RTX 5090 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 5090 's Advantages

Released 11 years and 1 months late

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

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (1.52TB/s vs 73.60GB/s)

21248 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 500W)

Score

Benchmark

FP32 (float)

GeForce RTX 5090 +11423%

109.7 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

GeForce RTX 5090

VS

Radeon R9 255 OEM

Graphics Card

Jan 2025

Release Date

Dec 2013

GeForce 50

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

900 MHz

2520 MHz

Boost Clock

930 MHz

1875 MHz

Memory Clock

1150 MHz

Memory

32GB

Memory Size

2GB

GDDR7

Memory Type

GDDR5

512bit

Memory Bus

128bit

1.52TB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

170

SM Count

-

21760

Shading Units

512

680

TMUs

32

192

ROPs

16

680

Tensor Cores

-

170

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

88 MB

L2 Cache

256 KB

-

Theoretical Performance

483.8 GPixel/s

Pixel Rate

14.88 GPixel/s

1714 GTexel/s

Texture Rate

29.76 GTexel/s

109.7 TFLOPS

FP16 (half)

-

109.7 TFLOPS

FP32 (float)

952.3 GFLOPS

1.714 TFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

500W

TDP

65W

900 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

No outputs

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

GB202

GPU Name

Cape Verde

GB202-400-A1

GPU Variant

Cape Verde PRX

Blackwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

1.5 billion

Unknown

Die Size

123 mm²

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

10.1

CUDA

-

6.8

Shader Model

5.1

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