NVIDIA GeForce RTX 4090 Ti vs AMD Radeon R9 390

VS

NVIDIA GeForce RTX 4090 Ti

AMD Radeon R9 390

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

Main Differences

NVIDIA GeForce RTX 4090 Ti 's Advantages

Boost Clock2565MHz

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (1152GB/s vs 384.0GB/s)

15616 additional rendering cores

AMD Radeon R9 390 's Advantages

Lower TDP (275W vs 600W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Ti +1721%

93.24 TFLOPS

Radeon R9 390

5.12 TFLOPS

GeForce RTX 4090 Ti

VS

Radeon R9 390

Graphics Card

Unknown

Release Date

Jun 2015

GeForce 40

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2325 MHz

Base Clock

-

2565 MHz

Boost Clock

-

1500 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

512bit

1152GB/s

Bandwidth

384.0GB/s

Render Config

-

Compute Units

40

142

SM Count

-

18176

Shading Units

2560

568

TMUs

160

192

ROPs

64

568

Tensor Cores

-

142

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

96 MB

L2 Cache

1024 KB

-

Theoretical Performance

492.5 GPixel/s

Pixel Rate

64.00 GPixel/s

1457 GTexel/s

Texture Rate

160.0 GTexel/s

93.24 TFLOPS

FP16 (half)

-

93.24 TFLOPS

FP32 (float)

5.120 TFLOPS

1457 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

600W

TDP

275W

1000 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

2x 16-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

AD102

GPU Name

Grenada

AD102-400-A1

GPU Variant

Grenada PRO (215-0880030)

Ada Lovelace

Architecture

GCN 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

76.3 billion

Transistors

6.2 billion

609 mm²

Die Size

438 mm²

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

-

6.7

Shader Model

6.3

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