AMD Radeon HD 6390 vs NVIDIA GeForce RTX 5090

VS

AMD Radeon HD 6390

NVIDIA GeForce RTX 5090

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 32GB VRAM GeForce RTX 5090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 500W)

NVIDIA GeForce RTX 5090 's Advantages

Released 13 years and 6 months late

Boost Clock2520MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (1.52TB/s vs 16.00GB/s)

21440 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

GeForce RTX 5090 +31064%

109.7 TFLOPS

Radeon HD 6390

VS

GeForce RTX 5090

Graphics Card

Jul 2011

Release Date

Jan 2025

Northern Islands

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

500 MHz

Memory Clock

1875 MHz

Memory

1024MB

Memory Size

32GB

DDR2

Memory Type

GDDR7

128bit

Memory Bus

512bit

16.00GB/s

Bandwidth

1.52TB/s

Render Config

4

Compute Units

-

SM Count

170

320

Shading Units

21760

16

TMUs

680

8

ROPs

192

-

Tensor Cores

680

-

RT Cores

170

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

88 MB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

483.8 GPixel/s

8.800 GTexel/s

Texture Rate

1714 GTexel/s

-

FP16 (half)

109.7 TFLOPS

352.0 GFLOPS

FP32 (float)

109.7 TFLOPS

-

FP64 (double)

1.714 TFLOPS

Board Design

39W

TDP

500W

200 W

Suggested PSU

900 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

None

Power Connectors

1x 16-pin

Graphics Processor

Redwood

GPU Name

GB202

Redwood LE

GPU Variant

GB202-400-A1

TeraScale 2

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

4 nm

0.627 billion

Transistors

Unknown

104 mm²

Die Size

Unknown

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

10.1

5.0

Shader Model

6.8

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