The Radeon HD 4890 Sapphire OC 1GB Edition was released on 02 Apr 2009
AMD PC game performance check Radeon HD 4890 Sapphire OC 1GB Edition
GPU
Architecture
R700 RV790 XT
Process
55nm
TMUs
40
Texture Rate
36 GTexel/s
ROPs
16
Pixel Rate
14 GPixel/s
Ray Tracing
Tensor Cores
Release Price
Compatibility
Direct X
DX 10.1
Shader
4.1
Open GL
3.2
Resolution (WxH)
2560 x 1600
Notebook GPU
SLI/Crossfire
Dedicated
Integrated
Memory
Memory
1024MB
Memory Speed
1000MHz
Memory Bus
256bit
Memory Type
GDDR5
Memory Bandwidth
128GB/sec
L2 Cache
Display Connectors
VGA Connection
DVI Connection
2
HDMI Connection
DisplayPort Connection
Clock Speeds
Core Speed
901 MHz
Power
Max Power
190 Watts
PSU
500 Watt & 37 Amps
Power Connector
2x 6-pin
Recommended Hardware
Best CPU Match
Best RAM Match
8 GB
Best Resolution
1920 x 1080
GPU Upgrade
GD Official
GD RATING
Approved
Radeon HD 4890 Sapphire OC 1GB Edition Game Requirement Analysis
Overview
Radeon HD 4890 Sapphire OC 1GB Edition is a special edition of AMD's High-End Radeon HD 4890, created by Sapphire.
Overclock: Central Unit
The Central Unit now runs at 901MHz, instead of 850MHz.
Overclock: Memory Clock
The Operating Memory Clock now runs at 1000MHz while the Frame Buffer remain the same.
Cooling Solution
The Cooling System Remains the Same.
Performance
Benchmarks indicate a 5% performance over the reference Radeon HD 4890.