NVIDIA GeForce RTX 3090 Ti vs AMD Radeon R9 390

VS

NVIDIA GeForce RTX 3090 Ti AMD Radeon R9 390

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 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 3090 Ti 's Advantages

Released 6 years and 7 months late

Boost Clock1860MHz

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (1008GB/s vs 384.0GB/s)

8192 additional rendering cores

AMD Radeon R9 390 's Advantages

Lower TDP (275W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 Ti +681%

40 TFLOPS

Radeon R9 390

5.12 TFLOPS

3DMark Time Spy

GeForce RTX 3090 Ti +457%

22054

Radeon R9 390

3955

GeForce RTX 3090 Ti

VS

Radeon R9 390

Graphics Card

Jan 2022

Release Date

Jun 2015

GeForce 30

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1560 MHz

Base Clock

-

1860 MHz

Boost Clock

-

1313 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

512bit

1008GB/s

Bandwidth

384.0GB/s

Render Config

84

SM Count

-

Compute Units

40

10752

Shading Units

2560

336

TMUs

160

112

ROPs

64

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

1024 KB

Theoretical Performance

208.3 GPixel/s

Pixel Rate

64.00 GPixel/s

625.0 GTexel/s

Texture Rate

160.0 GTexel/s

40.00 TFLOPS

FP16 (half)

-

40.00 TFLOPS

FP32 (float)

5.120 TFLOPS

625.0 GFLOPS

FP64 (double)

640.0 GFLOPS

Graphics Processor

GA102

GPU Name

Grenada

GA102-350-A1

GPU Variant

Grenada PRO (215-0880030)

Ampere

Architecture

GCN 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

6.2 billion

628 mm²

Die Size

438 mm²

Board Design

450W

TDP

275W

850 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

8.6

CUDA

-

6.6

Shader Model

6.3

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