AMD Radeon RX 9070 XT vs AMD Radeon R9 390 X2

VS

AMD Radeon RX 9070 XT

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 9070 XT and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 9070 XT 's Advantages

Boost Clock2700MHz

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (624.1GB/s vs 345.6GB/s)

1536 additional rendering cores

Lower TDP (260W vs 580W)

Score

Benchmark

FP32 (float)

Radeon RX 9070 XT +332%

22.12 TFLOPS

Radeon R9 390 X2

5.12 TFLOPS

Radeon RX 9070 XT

VS

Radeon R9 390 X2

Graphics Card

Unknown

Release Date

Sep 2015

Navi IV(RX 9000)

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2210 MHz

Base Clock

-

2700 MHz

Boost Clock

-

2438 MHz

Memory Clock

1350 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

512bit

624.1GB/s

Bandwidth

345.6GB/s

Render Config

64

Compute Units

40

-

4096

Shading Units

2560

256

TMUs

160

96

ROPs

64

-

64

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

64 MB

L3 Cache

-

Theoretical Performance

259.2 GPixel/s

Pixel Rate

64.00 GPixel/s

691.2 GTexel/s

Texture Rate

160.0 GTexel/s

44.24 TFLOPS

FP16 (half)

-

22.12 TFLOPS

FP32 (float)

5.120 TFLOPS

691.2 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

260W

TDP

580W

600 W

Suggested PSU

950 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

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

2x 8-pin

Power Connectors

4x 8-pin

Graphics Processor

Navi 48

GPU Name

Grenada

Navi 48 XT

GPU Variant

Grenada PRO (215-0880030)

RDNA 4.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

6.2 billion

Unknown

Die Size

438 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.0

1.3

Vulkan

1.2

-

6.8

Shader Model

6.3

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