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ATI Radeon HD 4850
- Graphics Processor
- RV770
- Cores
- 800
- TMUs
- 40
- ROPs
- 16
- Memory Size
- 512 MB
- Memory Type
- GDDR3
- Bus Width
- 256 bit
GPU
PCB Front
PCB Back
Recommended Gaming Resolutions:
- 1366x768
- 1600x900
- 1920x1080
The Radeon HD 4850 was a performance-segment graphics card by ATI, launched on June 25th, 2008. Built on the 55 nm process, and based on the RV770 graphics processor, in its RV770 PRO variant, the card supports DirectX 10.1. Since Radeon HD 4850 does not support DirectX 11 or DirectX 12, it might not be able to run all the latest games. The RV770 graphics processor is an average sized chip with a die area of 256 mm² and 956 million transistors. It features 800 shading units, 40 texture mapping units, and 16 ROPs. ATI has paired 512 MB GDDR3 memory with the Radeon HD 4850, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 625 MHz, memory is running at 993 MHz.
Being a single-slot card, the ATI Radeon HD 4850 draws power from 1x 6-pin power connector, with power draw rated at 110 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon HD 4850 is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card measures 246 mm in length, and features a single-slot cooling solution. Its price at launch was 199 US Dollars.
Being a single-slot card, the ATI Radeon HD 4850 draws power from 1x 6-pin power connector, with power draw rated at 110 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon HD 4850 is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card measures 246 mm in length, and features a single-slot cooling solution. Its price at launch was 199 US Dollars.
Graphics Processor
Graphics Card
- Release Date
- Jun 25th, 2008
- Generation
-
Radeon R700
(HD 4800)
- Predecessor
- Radeon R600
- Successor
- Evergreen
- Production
- End-of-life
- Launch Price
- 199 USD
- Bus Interface
- PCIe 2.0 x16
- Reviews
- 127 in our database
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Clock Speeds
- GPU Clock
- 625 MHz
- Memory Clock
-
993 MHz
1986 Mbps effective
Memory
- Memory Size
- 512 MB
- Memory Type
- GDDR3
- Memory Bus
- 256 bit
- Bandwidth
- 63.55 GB/s
Render Config
- Shading Units
- 800
- TMUs
- 40
- ROPs
- 16
- Compute Units
- 10
- L1 Cache
- 16 KB (per CU)
- L2 Cache
- 256 KB
Theoretical Performance
- Pixel Rate
- 10.00 GPixel/s
- Texture Rate
- 25.00 GTexel/s
- FP32 (float)
- 1,000 GFLOPS
- FP64 (double)
- 200.0 GFLOPS (1:5)
Board Design
- Slot Width
- Single-slot
- Length
- 246 mm
9.7 inches
- TDP
- 110 W
- Suggested PSU
- 300 W
- Outputs
- 2x DVI
1x S-Video
- Power Connectors
- 1x 6-pin
- Board Number
- 109-B50131-00
Graphics Features
- DirectX
- 10.1 (10_1)
- OpenGL
- 3.3
- OpenCL
- 1.1
- Vulkan
- N/A
- Shader Model
- 4.1
RV770 GPU Notes
| Mobile Variant: M98 Codename: Wekiva Graphics/Compute: GFX3 Display Core Engine: 3.1 Unified Video Decoder: 2.0 Latest Drivers: Windows XP / 8: Catalyst Software Suite 13.1 / 13.4 Beta Windows Vista / 7: Catalyst Software Suite 13.9 |
Retail boards based on this design (13)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| 670 MHz | 1004 MHz | 1024 MB, Dual-slot, 2x DVI | |
| 680 MHz | 1050 MHz | ||
| 625 MHz | 993 MHz | Dual-slot | |
| 685 MHz | 1100 MHz | Dual-slot | |
| 685 MHz | 1000 MHz | 1024 MB, Dual-slot | |
| 700 MHz | 900 MHz | GDDR5, Dual-slot, 1x DVI 1x HDMI 1x DisplayPort 1x VGA | |
| 675 MHz | 1100 MHz | GDDR4, 241 mm/9.5 inches | |
| 665 MHz | 950 MHz | 1024 MB, 241 mm/9.5 inches | |
| 625 MHz | 1008 MHz | ||
| 625 MHz | 993 MHz | 1024 MB | |
| 675 MHz | 1150 MHz | ||
| 650 MHz | 1000 MHz | 1x DVI 1x HDMI 1x VGA | |
| 650 MHz | 1000 MHz | 1024 MB, 1x DVI 1x HDMI 1x VGA |
Nov 19th, 2024 00:43 EST
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