NVIDIA GeForce RTX 4080 vs AMD Radeon R9 390 X2

VS

NVIDIA GeForce RTX 4080

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 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 's Advantages

Released 7 years late

Boost Clock2505MHz

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (716.8GB/s vs 345.6GB/s)

7168 additional rendering cores

Lower TDP (320W vs 580W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 +851%

48.74 TFLOPS

Radeon R9 390 X2

5.12 TFLOPS

GeForce RTX 4080

VS

Radeon R9 390 X2

Graphics Card

Sep 2022

Release Date

Sep 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

1350 MHz

Memory

16GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

512bit

716.8GB/s

Bandwidth

345.6GB/s

Render Config

-

Compute Units

40

76

SM Count

-

9728

Shading Units

2560

304

TMUs

160

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

64.00 GPixel/s

761.5 GTexel/s

Texture Rate

160.0 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

5.120 TFLOPS

761.5 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

320W

TDP

580W

700 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 Processor

AD103

GPU Name

Grenada

AD103-300-A1

GPU Variant

Grenada PRO (215-0880030)

Ada Lovelace

Architecture

GCN 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

45.9 billion

Transistors

6.2 billion

379 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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