AMD Radeon HD 6390 vs NVIDIA GeForce RTX 3090

VS

AMD Radeon HD 6390

NVIDIA GeForce RTX 3090

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 24GB VRAM GeForce RTX 3090 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 350W)

NVIDIA GeForce RTX 3090 's Advantages

Released 9 years and 2 months late

Boost Clock1695MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (936.2GB/s vs 16.00GB/s)

10176 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

GeForce RTX 3090 +10007%

35.58 TFLOPS

Radeon HD 6390

VS

GeForce RTX 3090

Graphics Card

Jul 2011

Release Date

Sep 2020

Northern Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1395 MHz

-

Boost Clock

1695 MHz

500 MHz

Memory Clock

1219 MHz

Memory

1024MB

Memory Size

24GB

DDR2

Memory Type

GDDR6X

128bit

Memory Bus

384bit

16.00GB/s

Bandwidth

936.2GB/s

Render Config

4

Compute Units

-

SM Count

82

320

Shading Units

10496

16

TMUs

328

8

ROPs

112

-

Tensor Cores

328

-

RT Cores

82

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

189.8 GPixel/s

8.800 GTexel/s

Texture Rate

556.0 GTexel/s

-

FP16 (half)

35.58 TFLOPS

352.0 GFLOPS

FP32 (float)

35.58 TFLOPS

-

FP64 (double)

556.0 GFLOPS

Board Design

39W

TDP

350W

200 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 12-pin

Graphics Processor

Redwood

GPU Name

GA102

Redwood LE

GPU Variant

GA102-300-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

0.627 billion

Transistors

28.3 billion

104 mm²

Die Size

628 mm²

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

8.6

5.0

Shader Model

6.6

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