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ATI Radeon HD 4890
- Graphics Processor
- RV790
- Cores
- 800
- TMUs
- 40
- ROPs
- 16
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Bus Width
- 256 bit
GPU
I/O
Top
Bottom
Rear
PCB Front
PCB Back
Recommended Gaming Resolutions:
- 1600x900
- 1920x1080
- 2560x1440
The Radeon HD 4890 was a performance-segment graphics card by ATI, launched on April 2nd, 2009. Built on the 55 nm process, and based on the RV790 graphics processor, in its RV790 XT variant, the card supports DirectX 10.1. Since Radeon HD 4890 does not support DirectX 11 or DirectX 12, it might not be able to run all the latest games. The RV790 graphics processor is an average sized chip with a die area of 282 mm² and 959 million transistors. It features 800 shading units, 40 texture mapping units, and 16 ROPs. ATI has paired 1,024 MB GDDR5 memory with the Radeon HD 4890, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 850 MHz, memory is running at 975 MHz (3.9 Gbps effective).
Being a dual-slot card, the ATI Radeon HD 4890 draws power from 2x 6-pin power connectors, with power draw rated at 190 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon HD 4890 is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card's dimensions are 241 mm x 111 mm x 40 mm, and it features a dual-slot cooling solution. Its price at launch was 249 US Dollars.
Being a dual-slot card, the ATI Radeon HD 4890 draws power from 2x 6-pin power connectors, with power draw rated at 190 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon HD 4890 is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card's dimensions are 241 mm x 111 mm x 40 mm, and it features a dual-slot cooling solution. Its price at launch was 249 US Dollars.
Graphics Processor
Graphics Card
- Release Date
- Apr 2nd, 2009
- Generation
-
Radeon R700
(HD 4800)
- Predecessor
- Radeon R600
- Successor
- Evergreen
- Production
- End-of-life
- Launch Price
- 249 USD
- Bus Interface
- PCIe 2.0 x16
- Reviews
- 114 in our database
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Clock Speeds
- GPU Clock
- 850 MHz
- Memory Clock
-
975 MHz
3.9 Gbps effective
Memory
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Memory Bus
- 256 bit
- Bandwidth
- 124.8 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
- 13.60 GPixel/s
- Texture Rate
- 34.00 GTexel/s
- FP32 (float)
- 1,360 GFLOPS
- FP64 (double)
- 272.0 GFLOPS (1:5)
Board Design
- Slot Width
- Dual-slot
- Length
- 241 mm
9.5 inches
- Width
- 111 mm
4.4 inches
- Height
- 40 mm
1.6 inches
- TDP
- 190 W
- Suggested PSU
- 450 W
- Outputs
- 2x DVI
1x S-Video
- Power Connectors
- 2x 6-pin
- Board Number
- 109-B79031-00
Graphics Features
- DirectX
- 10.1 (10_1)
- OpenGL
- 3.3
- OpenCL
- 1.1
- Vulkan
- N/A
- Shader Model
- 4.1
RV790 GPU Notes
| Codename: Wekiva Plus (Spartan) 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 (21)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| 900 MHz | 1000 MHz | ||
| 925 MHz | 1050 MHz | ||
| 850 MHz | 975 MHz | ||
| 850 MHz | 975 MHz | 246 mm/9.7 inches | |
| 900 MHz | 1000 MHz | 246 mm/9.7 inches | |
| 965 MHz | 1050 MHz | 246 mm/9.7 inches | |
| 850 MHz | 975 MHz | 254 mm/10 inches | |
| 850 MHz | 975 MHz | 254 mm/10 inches, 1x DVI 1x HDMI 1x VGA | |
| 1000 MHz | 1000 MHz | 1x DVI 1x HDMI 1x VGA | |
| 900 MHz | 1000 MHz | ||
| 950 MHz | 975 MHz | ||
| 850 MHz | 975 MHz | ||
| 1000 MHz | 1050 MHz | ||
| 850 MHz | 975 MHz | 1x DVI 1x HDMI 1x DisplayPort | |
| 960 MHz | 1050 MHz | ||
| 870 MHz | 1050 MHz | 1x DVI 1x HDMI 1x DisplayPort 1x VGA | |
| 870 MHz | 1050 MHz | 2 GB, 1x DVI 1x HDMI 1x DisplayPort 1x VGA | |
| 950 MHz | 1050 MHz | ||
| 850 MHz | 975 MHz | ||
| 1000 MHz | 1000 MHz | ||
| 1000 MHz | 1000 MHz |
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