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Radeon HD 4850

TeraScale Radeon HD 4000 Series Gaming Desktop GDDR3 2008

Key Metrics

Launch Date: 2008-06-25
Stream Processors: 800
Memory: 512 MB GDDR3
Memory Bandwidth: 63.55 GB/s
TDP/TBP: 110 W
Interface: PCIe 2.0 x16

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GPU Specs

What do these fields mean?

Identity
Entry Type	Reference GPU
Official Name	ATI Radeon HD 4850
Architecture	TeraScale
Launch Date	2008-06-25
Core Specs
GPU Die	RV770
Chip Variant / Package	HFCBGA-1492
Process Node	TSMC 55 nm
Transistor Count	0.96 billion
Die Size	256 mm²
Stream Processors	800
TMUs	40
ROPs	16
Base Clock	625 MHz
Boost Clock	625 MHz
Pixel Fillrate	10 GP/s
Texture Fillrate	25 GT/s
FP32 Throughput	1 TFLOPS
FP64 Throughput	0.2 TFLOPS
Memory
Memory Size	512 MB
Memory Type	GDDR3
Memory Bus Width	256-bit
Memory Clock	993 MHz
Memory Bandwidth	63.55 GB/s
L2 Cache	0.25 MB
L1 Cache	16 KB
Board and Display
TDP / TBP	110 W
Recommended PSU	300 W
Interface	PCIe 2.0 x16
Display Outputs	2x DVI, 1x S-Video
Slot Width	Single-slot
Card Length	246 mm
Software
Shader Model	4.1
DirectX Support	DirectX 10.1
OpenGL Support	OpenGL 3.3
OpenCL Support	OpenCL 1.1

GPU Gallery

Close-up of ATI RV770 GPU package on a Radeon HD 4850 red graphics board — GPU chip: ATI Radeon HD 4850 RV770 GPU package. Creator-identified HD 4850 RV770 GPU; memory and PCIe interface are outside the view. The exact photographed example is identified on its Commons file page.View original file page

Reviews1 review

ArticleAnandTech

ATI Radeon HD 4850 Review

Review of the Radeon HD 4850.

Sources

Independent reference sources

TechPowerUp GPU SpecsOpen source

Photo sources

Wikimedia Commons
Photo: ATI Radeon HD 4850 RV770 GPU package (GPU chip)Creator: Henry MühlpfordtCredit: Henry Mühlpfordt / Wikimedia CommonsTitle: ATI Radeon HD4850 RV770 Chip 2010-11-12License: CC BY-SA 3.0 UnportedSource claim: Commons creator Henry Mühlpfordt offers this own-work Radeon HD 4850 RV770 photograph under CC BY-SA 3.0.Modified: Resized to 960 px maximum dimension and JPEG recompressed at quality 78; no crop. This derivative is shared under CC BY-SA 3.0 Unported.Board identity: The exact photographed example is identified on its Commons file page.Configuration: This is a GPU close-up, not an iMac MXM module or a full board. The Wiki 512 MB GDDR3 capacity and PCIe 2.0 board interface are not shown.License deed Original file page