NVIDIA GeForce RTX 4090 vs AMD Radeon HD 6390

VS

NVIDIA GeForce RTX 4090 AMD Radeon HD 6390

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 1024MB VRAM Radeon HD 6390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 11 years and 2 months late

Boost Clock2520MHz

More VRAM (24GB vs 1GB)

16064 additional rendering cores

AMD Radeon HD 6390 's Advantages

Larger VRAM bandwidth (16.00TB/s vs 1.01TB/s)

Lower TDP (39W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +23360%

82.58 TFLOPS

Radeon HD 6390

0.352 TFLOPS

GeForce RTX 4090

VS

Radeon HD 6390

Graphics Card

Sep 2022

Release Date

Jul 2011

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

500 MHz

Memory

24GB

Memory Size

1024MB

GDDR6X

Memory Type

DDR2

384bit

Memory Bus

128bit

1.01TB/s

Bandwidth

16.00GB/s

Render Config

128

SM Count

-

Compute Units

4

16384

Shading Units

320

512

TMUs

16

176

ROPs

8

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

72 MB

L2 Cache

256 KB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

4.400 GPixel/s

1290 GTexel/s

Texture Rate

8.800 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

352.0 GFLOPS

1290 GFLOPS

FP64 (double)

-

Graphics Processor

AD102

GPU Name

Redwood

AD102-300-A1

GPU Variant

Redwood LE

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

76.3 billion

Transistors

0.627 billion

609 mm²

Die Size

104 mm²

Board Design

450W

TDP

39W

850 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 16-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

5.0

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