NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon HD 6390

VS

NVIDIA GeForce RTX 4080 16 GB

AMD Radeon HD 6390

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 16 GB 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 4080 16 GB 's Advantages

Released 11 years and 2 months late

Boost Clock2505MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (716.8GB/s vs 16.00GB/s)

9408 additional rendering cores

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 16 GB +13746%

48.74 TFLOPS

Radeon HD 6390

0.352 TFLOPS

GeForce RTX 4080 16 GB

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

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

500 MHz

Memory

16GB

Memory Size

1024MB

GDDR6X

Memory Type

DDR2

256bit

Memory Bus

128bit

716.8GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

4

76

SM Count

-

9728

Shading Units

320

304

TMUs

16

112

ROPs

8

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

64 MB

L2 Cache

256 KB

-

Theoretical Performance

280.6 GPixel/s

Pixel Rate

4.400 GPixel/s

761.5 GTexel/s

Texture Rate

8.800 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

352.0 GFLOPS

761.5 GFLOPS

FP64 (double)

-

Board Design

320W

TDP

39W

700 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 Processor

AD103

GPU Name

Redwood

AD103-300-A1

GPU Variant

Redwood LE

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

45.9 billion

Transistors

0.627 billion

379 mm²

Die Size

104 mm²

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

-

6.6

Shader Model

5.0

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