AMD Radeon R9 390 X2 vs ATI Radeon X1600 XT Dual

VS

AMD Radeon R9 390 X2

ATI Radeon X1600 XT Dual

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 256MB VRAM Radeon X1600 XT Dual to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (345.6GB/s vs 22.08GB/s)

2560 additional rendering cores

Score

Radeon R9 390 X2

VS

Radeon X1600 XT Dual

Graphics Card

Sep 2015

Release Date

Unknown

Pirate Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1350 MHz

Memory Clock

690 MHz

Memory

8GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

512bit

Memory Bus

128bit

345.6GB/s

Bandwidth

22.08GB/s

Render Config

40

Compute Units

-

2560

Shading Units

-

160

TMUs

4

64

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

2.360 GPixel/s

160.0 GTexel/s

Texture Rate

2.360 GTexel/s

-

5.120 TFLOPS

FP32 (float)

-

640.0 GFLOPS

FP64 (double)

-

Board Design

580W

TDP

Unknown

950 W

Suggested PSU

200 W

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

Outputs

2x DVI

4x 8-pin

Power Connectors

1x Molex

Graphics Processor

Grenada

GPU Name

RV530

Grenada PRO (215-0880030)

GPU Variant

-

GCN 2.0

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

6.2 billion

Transistors

0.157 billion

438 mm²

Die Size

150 mm²

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

-

6.3

Shader Model

3.0

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