AMD Radeon R9 390 X2 vs ATI Radeon X550 XT

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 128MB VRAM Radeon X550 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

Released 8 years and 8 months late

Larger VRAM bandwidth (345.6GB/s vs 9.600GB/s)

2560 additional rendering cores

Score

Radeon R9 390 X2

VS

Radeon X550 XT

Graphics Card

Sep 2015

Release Date

Jan 2007

Pirate Islands

Generation

Radeon R300

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1350 MHz

Memory Clock

300 MHz

Memory

8GB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

512bit

Memory Bus

128bit

345.6GB/s

Bandwidth

9.600GB/s

Render Config

-

SM Count

-

40

Compute Units

-

2560

Shading Units

-

160

TMUs

4

64

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

1.600 GPixel/s

160.0 GTexel/s

Texture Rate

1.600 GTexel/s

-

FP16 (half)

-

5.120 TFLOPS

FP32 (float)

-

640.0 GFLOPS

FP64 (double)

-

Graphics Processor

Grenada

GPU Name

RV410

Grenada PRO (215-0880030)

GPU Variant

-

GCN 2.0

Architecture

R400

TSMC

Foundry

TSMC

28 nm

Process Size

110 nm

6.2 billion

Transistors

0.12 billion

438 mm²

Die Size

156 mm²

Board Design

580W

TDP

Unknown

950 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

4x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

9.0b (9_2)

4.6

OpenGL

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

-

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