AMD Radeon R9 390 X2 vs NVIDIA GeForce RTX 5090

VS

AMD Radeon R9 390 X2 NVIDIA GeForce RTX 5090

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 28GB VRAM GeForce RTX 5090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

Larger VRAM bandwidth (345.6GB/s vs 280.0GB/s)

NVIDIA GeForce RTX 5090 's Advantages

Released 9 years and 4 months late

Boost Clock2520MHz

More VRAM (28GB vs 8GB)

17920 additional rendering cores

Lower TDP (500W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2

5.12 TFLOPS

GeForce RTX 5090 +1915%

103.2 TFLOPS

Radeon R9 390 X2

VS

GeForce RTX 5090

Graphics Card

Sep 2015

Release Date

Jan 2025

Pirate Islands

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

1350 MHz

Memory Clock

2500 MHz

Memory

8GB

Memory Size

28GB

GDDR5

Memory Type

GDDR7

512bit

Memory Bus

448bit

345.6GB/s

Bandwidth

280.0GB/s

Render Config

-

SM Count

160

40

Compute Units

-

2560

Shading Units

20480

160

TMUs

640

64

ROPs

192

-

Tensor Cores

640

-

RT Cores

160

16 KB (per CU)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

88 MB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

483.8 GPixel/s

160.0 GTexel/s

Texture Rate

1613 GTexel/s

-

FP16 (half)

103.2 TFLOPS

5.120 TFLOPS

FP32 (float)

103.2 TFLOPS

640.0 GFLOPS

FP64 (double)

1.613 TFLOPS

Graphics Processor

Grenada

GPU Name

GB202

Grenada PRO (215-0880030)

GPU Variant

GB202

GCN 2.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

0 nm

6.2 billion

Transistors

Unknown

438 mm²

Die Size

Unknown

Board Design

580W

TDP

500W

950 W

Suggested PSU

900 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

4x 8-pin

Power Connectors

1x 16-pin

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

9.1

6.3

Shader Model

6.7

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