AMD Radeon R9 390X vs NVIDIA GeForce RTX 4090

VS

AMD Radeon R9 390X NVIDIA GeForce RTX 4090

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 24GB VRAM GeForce RTX 4090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

Lower TDP (275W vs 450W)

NVIDIA GeForce RTX 4090 's Advantages

Released 7 years and 3 months late

Boost Clock2520MHz

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (1010GB/s vs 384.0GB/s)

13568 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 390X

5.914 TFLOPS

GeForce RTX 4090 +1296%

82.58 TFLOPS

3DMark Time Spy

Radeon R9 390X

4245

GeForce RTX 4090 +760%

36541

Radeon R9 390X

VS

GeForce RTX 4090

Graphics Card

Jun 2015

Release Date

Sep 2022

Pirate Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

1500 MHz

Memory Clock

1313 MHz

Memory

8GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

512bit

Memory Bus

384bit

384.0GB/s

Bandwidth

1010GB/s

Render Config

-

SM Count

128

44

Compute Units

-

2816

Shading Units

16384

176

TMUs

512

64

ROPs

176

-

Tensor Cores

512

-

RT Cores

128

16 KB (per CU)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

72 MB

Theoretical Performance

67.20 GPixel/s

Pixel Rate

443.5 GPixel/s

184.8 GTexel/s

Texture Rate

1290 GTexel/s

-

FP16 (half)

82.58 TFLOPS

5.914 TFLOPS

FP32 (float)

82.58 TFLOPS

739.2 GFLOPS

FP64 (double)

1290 GFLOPS

Graphics Processor

Grenada

GPU Name

AD102

Grenada XT (215-0880004)

GPU Variant

AD102-300-A1

GCN 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

6.2 billion

Transistors

76.3 billion

438 mm²

Die Size

609 mm²

Board Design

275W

TDP

450W

600 W

Suggested PSU

850 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 16-pin

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

6.3

Shader Model

6.7

Related GPU Comparisons

1

AMD Radeon R9 390X vs Intel Arc A750

2

AMD Radeon R9 390X vs AMD Radeon RX 5700 XT

3

AMD Radeon R9 390X vs NVIDIA GeForce RTX 2060 SUPER

4

AMD Radeon R9 390X vs NVIDIA GeForce GTX 780 6 GB

5

AMD Radeon R9 390X vs AMD FirePro W5000

6

AMD Radeon R9 390X vs AMD Radeon HD 7870 GHz Edition

7

AMD Radeon R9 390X vs ATI Radeon X1950 XTX Uber Edition

8

AMD Radeon R9 390X vs NVIDIA GeForce G210 OEM Rev. 2

9

AMD Radeon R9 390X vs AMD Radeon HD 7990

10

AMD Radeon R9 390X vs AMD Radeon HD 6510

Related News

1

Complete Layout of Intel's Next-Gen LGA1851 Interface Exposed: A Comprehensive Look at PCIe and USB Features

2

Apple's 2025 OS in Development: iOS 19 Codename 'Luck'

3

Apple's AI is Memory Hungry! The Entire iPhone 16 Lineup Comes with 8GB RAM

4

Noctua Announce NH-D15 G2 Air Cooler and NF-A14x25r G2 Fan

5

The P-Cores and E-Cores in Arrow Lake Will Be Interleaved, Reducing Core Communication Latency and Improving Heat Dissipation

6

Changes in Intel Arrow Lake P/E Core Layout: Two Major Benefits

7

Time to Step Up, AMD and Intel! Nvidia Faces Antitrust Lawsuits in France, US, and EU

8

Intel Arrow Lake-S Features Dual Direct M.2 Slots: One PCIe 5.0 x4 and One PCIe 4.0 x4

9

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

10

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory