NVIDIA GeForce RTX 5090 vs AMD Radeon R9 285X

VS

NVIDIA GeForce RTX 5090

AMD Radeon R9 285X

We compared two Desktop platform GPUs: 32GB VRAM GeForce RTX 5090 and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5090 's Advantages

Boost Clock2520MHz

More VRAM (32GB vs 3GB)

Larger VRAM bandwidth (1.52TB/s vs 264.0GB/s)

19712 additional rendering cores

AMD Radeon R9 285X 's Advantages

Lower TDP (200W vs 500W)

Score

Benchmark

FP32 (float)

GeForce RTX 5090 +2573%

109.7 TFLOPS

Radeon R9 285X

4.104 TFLOPS

GeForce RTX 5090

VS

Radeon R9 285X

Graphics Card

Jan 2025

Release Date

Unknown

GeForce 50

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1875 MHz

Memory Clock

1375 MHz

Memory

32GB

Memory Size

3GB

GDDR7

Memory Type

GDDR5

512bit

Memory Bus

384bit

1.52TB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

32

170

SM Count

-

21760

Shading Units

2048

680

TMUs

128

192

ROPs

32

680

Tensor Cores

-

170

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

88 MB

L2 Cache

768 KB

-

Theoretical Performance

483.8 GPixel/s

Pixel Rate

32.06 GPixel/s

1714 GTexel/s

Texture Rate

128.3 GTexel/s

109.7 TFLOPS

FP16 (half)

-

109.7 TFLOPS

FP32 (float)

4.104 TFLOPS

1.714 TFLOPS

FP64 (double)

-

Board Design

500W

TDP

200W

900 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 16-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GB202

GPU Name

Tonga

GB202-400-A1

GPU Variant

Tonga XT (215-0851313)

Blackwell 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

5 billion

Unknown

Die Size

366 mm²

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

10.1

CUDA

-

6.8

Shader Model

6.3

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