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ATI Radeon HD 4550

RV710
Graphics Processor
80
Cores
8
TMUs
4
ROPs
256 MB
Memory Size
DDR2
Memory Type
64 bit
Bus Width
ATI Radeon HD 4550 Photo ATI RV710 Photo
The Radeon HD 4550 was an entry-level graphics card by ATI, launched in September 2008. Built on the 55 nm process, and based on the RV710 graphics processor, in its RV710 variant, the card supports DirectX 10.1. The RV710 graphics processor is a relatively small chip with a die area of only 73 mm² and 242 million transistors. It features 80 shading units, 8 texture mapping units and 4 ROPs. ATI has placed 256 MB DDR2 memory on the card, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 600 MHz, memory is running at 655 MHz.
Being a single-slot card, the ATI Radeon HD 4550 does not require any additional power connector, its power draw is rated at 25 W maximum. Display outputs include: 1x DVI, 1x HDMI, 1x DisplayPort. Radeon HD 4550 is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card measures 168 mm in length, and features a single-slot cooling solution. Its price at launch was 59 US Dollars.

Graphics Processor

GPU Name
RV710
GPU Variant
RV710
(215-0725016)
Architecture
TeraScale
Process Size
55 nm
Transistors
242 million
Die Size
73 mm²

Graphics Card

Release Date
Sep 30th, 2008
Generation
Radeon R600/R700
(HD 4500)
Production
End-of-life
Launch Price
59 USD
Bus Interface
PCIe 2.0 x16

Relative Performance

63%
81%
100%
Radeon HD 4550
128%
150%
159%
196%
256%
260%
282%
298%
304%
349%
371%
398%
411%
428%
441%
471%
497%
508%
523%
541%
618%
623%
634%
642%
643%
650%
656%
694%
730%
742%
769%
775%
783%
790%
792%
794%
809%
848%
865%
928%
945%
945%
985%
987%
1023%
1091%
1125%
1131%
1152%
1158%
1198%
1213%
1221%
1242%
1300%
1325%
1347%
1347%
1351%
1356%
1464%
1477%
1512%
1531%
1538%
1550%
1554%
1581%
1584%
1629%
1753%
1799%
1845%
1855%
1874%
1893%
1938%
1988%
2035%
2083%
2112%
2114%
2342%
2577%
2612%
2787%
2802%
2840%
2877%
2902%
2916%
2958%
2971%
2985%
3010%
3172%
3238%
3279%
3279%
3607%
3669%
3731%
4011%
4405%
4561%
4913%
4913%
5182%
6063%
6219%
6779%
7711%
Based on TPU review data: "Performance Summary" at 1920x1080

Clock Speeds

GPU Clock
600 MHz
Memory Clock
655 MHz
1310 MHz effective

Memory

Memory Size
256 MB
Memory Type
DDR2
Memory Bus
64 bit
Bandwidth
10.48 GB/s

Render Config

Shading Units
80
TMUs
8
ROPs
4
Compute Units
1

Theoretical Performance

Pixel Rate
2.400 GPixel/s
Texture Rate
4.800 GTexel/s
FP32 (float) performance
96.00 GFLOPS

Board Design

Slot Width
Single-slot
Length
6.63 inches
168 mm
TDP
25 W
Outputs
1x DVI
1x HDMI
1x DisplayPort
Power Connectors
None
Board Number
AB711,
B725,
B889,
B890,
B947

Graphics Features

DirectX
10.1
OpenGL
3.3
OpenCL
1.1
Vulkan
N/A
Shader Model
4.1

RV710 GPU Notes

Graphics/Compute: GFX3
Display Core Engine: 3.2
Unified Video Decoder: 2.2

Retail boards based on this design (2)

Name GPU Clock Memory Clock Other Changes
Sapphire HD 4550 HyperMemory 600 MHz 800 MHz 512 MB, 1x DVI 1x VGA 1x S-Video
VisionTek HD 4550 Low Profile 600 MHz 600 MHz 512 MB, 1x DVI