AMD Radeon R9 390X vs ATI Radeon X1550 PCI

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

Released 8 years and 5 months late

Larger VRAM bandwidth (384.0GB/s vs 4.256GB/s)

2816 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 275W)

Score

Radeon R9 390X

VS

Radeon X1550 PCI

Graphics Card

Jun 2015

Release Date

Jan 2007

Pirate Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1500 MHz

Memory Clock

266 MHz

Memory

8GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

512bit

Memory Bus

64bit

384.0GB/s

Bandwidth

4.256GB/s

Render Config

-

SM Count

-

44

Compute Units

-

2816

Shading Units

-

176

TMUs

4

64

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

1.808 GPixel/s

184.8 GTexel/s

Texture Rate

1.808 GTexel/s

-

FP16 (half)

-

5.914 TFLOPS

FP32 (float)

-

739.2 GFLOPS

FP64 (double)

-

Graphics Processor

Grenada

GPU Name

RV516

Grenada XT (215-0880004)

GPU Variant

-

GCN 2.0

Architecture

R500

TSMC

Foundry

UMC

28 nm

Process Size

80 nm

6.2 billion

Transistors

0.107 billion

438 mm²

Die Size

100 mm²

Board Design

275W

TDP

27W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

3.0

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