NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon R9 390X

VS

NVIDIA GeForce RTX 4080 16 GB AMD Radeon R9 390X

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 16 GB and 8GB VRAM Radeon R9 390X 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 7 years and 3 months late

Boost Clock2505MHz

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (716.8GB/s vs 384.0GB/s)

6912 additional rendering cores

AMD Radeon R9 390X 's Advantages

Lower TDP (275W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 16 GB +724%

48.74 TFLOPS

Radeon R9 390X

5.914 TFLOPS

GeForce RTX 4080 16 GB

VS

Radeon R9 390X

Graphics Card

Sep 2022

Release Date

Jun 2015

GeForce 40

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

512bit

716.8GB/s

Bandwidth

384.0GB/s

Render Config

76

SM Count

-

Compute Units

44

9728

Shading Units

2816

304

TMUs

176

112

ROPs

64

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

1024 KB

Theoretical Performance

280.6 GPixel/s

Pixel Rate

67.20 GPixel/s

761.5 GTexel/s

Texture Rate

184.8 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

5.914 TFLOPS

761.5 GFLOPS

FP64 (double)

739.2 GFLOPS

Graphics Processor

AD103

GPU Name

Grenada

AD103-300-A1

GPU Variant

Grenada XT (215-0880004)

Ada Lovelace

Architecture

GCN 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

45.9 billion

Transistors

6.2 billion

379 mm²

Die Size

438 mm²

Board Design

320W

TDP

275W

700 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 16-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

8.9

CUDA

-

6.6

Shader Model

6.3

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