NVIDIA GeForce RTX 4080 Ti vs AMD Radeon R9 390 X2

VS

NVIDIA GeForce RTX 4080 Ti AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 Ti and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Ti 's Advantages

Boost Clock2610MHz

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (678.4GB/s vs 345.6GB/s)

11520 additional rendering cores

Lower TDP (400W vs 580W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Ti +1335%

73.5 TFLOPS

Radeon R9 390 X2

5.12 TFLOPS

GeForce RTX 4080 Ti

VS

Radeon R9 390 X2

Graphics Card

Unknown

Release Date

Sep 2015

GeForce 40

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2340 MHz

Base Clock

-

2610 MHz

Boost Clock

-

1325 MHz

Memory Clock

1350 MHz

Memory

16GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

512bit

678.4GB/s

Bandwidth

345.6GB/s

Render Config

110

SM Count

-

Compute Units

40

14080

Shading Units

2560

440

TMUs

160

144

ROPs

64

440

Tensor Cores

-

110

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

80 MB

L2 Cache

1024 KB

Theoretical Performance

375.8 GPixel/s

Pixel Rate

64.00 GPixel/s

1148 GTexel/s

Texture Rate

160.0 GTexel/s

73.50 TFLOPS

FP16 (half)

-

73.50 TFLOPS

FP32 (float)

5.120 TFLOPS

1148 GFLOPS

FP64 (double)

640.0 GFLOPS

Graphics Processor

AD102

GPU Name

Grenada

AD102-225-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

Board Design

400W

TDP

580W

800 W

Suggested PSU

950 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

4x 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

-

6.7

Shader Model

6.3

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