Graphics Cards Guide

PowerColor Devil 13 Radeon HD 7990
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PowerColor Devil 13 Radeon HD 7990


Overall rating 8.5/10Best Gaming Rig

PowerColor's Devil 13 Radeon HD 7990 graphics card features dual Radeon HD 7970 GPUs operating at a core clockspeed of 925MHz. The card also makes use of a BIOS switch which ramps core speeds up to 1GHz when activated.


Performance:
8
Features:
8.5
Value:
8
THE GOOD
The only modern custom dual-GPU card on the market
Performance equals dual Radeon HD 7970
Effective triple-fan cooling system
Packaging and extra tools
THE BAD
Doesn't surpass NVIDIA GeForce GTX 690
High power consumption (on idle)
Very large and heavy

Product Specification

Core Code Tahiti XT
GPU Transistor Count 8.6 billion
Manufacturing Process 28nm
Core Clock
  • 925MHz (Standard BIOS)
  • 1000MHz (OC BIOS)
Stream Processors 4096
Stream Processor Clock
  • 925MHz (Standard BIOS)
  • 1000MHz (OC BIOS)
Texture Mapping Units (TMUs) 256
Raster Operator units (ROP) 64
Memory Clock (DDR) 5500MHz DDR (GDDR5)
Memory Bus width 384-bit
Memory Bandwidth 264 GB/s
PCI Express Interface PCIe ver 3.0 x16
Power Connectors 3 x 8-pin
Multi GPU Technology CrossFireX
DVI Outputs
  • 1 x DVI-D
  • 1 x DVI-I
HDMI Outputs 1
DisplayPort Outputs 2
HDCP Output Support Yes

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