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AMD Radeon HD 8490 OEM

Caicos
Graphics Processor
160
Cores
8
TMUs
4
ROPs
1024 MB
Memory Size
DDR3
Memory Type
64 bit
Bus Width
AMD Radeon HD 8490 OEM Image AMD Caicos Image
The Radeon HD 8490 OEM was a graphics card by AMD, launched in July 2013. Built on the 40 nm process, and based on the Caicos graphics processor, in its Caicos XTX variant, the card supports DirectX 11.2. The Caicos graphics processor is a relatively small chip with a die area of only 67 mm² and 370 million transistors. It features 160 shading units, 8 texture mapping units and 4 ROPs. AMD has placed 1,024 MB DDR3 memory on the card, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 875 MHz, memory is running at 900 MHz.
We recommend the AMD Radeon HD 8490 OEM for gaming with highest details at resolutions up to, and including, 800x600.
Being a single-slot card, the AMD Radeon HD 8490 OEM does not require any additional power connector, its power draw is rated at 35 W maximum. Display outputs include: 1x DVI, 1x DisplayPort. Radeon HD 8490 OEM is connected to the rest of the system using a PCIe 2.0 x16 interface. The card measures 168 mm in length, and features a single-slot cooling solution.

Graphics Processor

GPU Name
Caicos
GPU Variant
Caicos XTX
Architecture
TeraScale 2
Process Size
40 nm
Transistors
370 million
Die Size
67 mm²

Graphics Card

Released
Jul 23rd, 2013
Production Status
End-of-life
Bus Interface
PCIe 2.0 x16

Relative Performance

30%
39%
47%
61%
71%
75%
93%
100%
Radeon HD 8490 OEM
122%
123%
134%
141%
144%
166%
176%
189%
195%
203%
210%
224%
236%
241%
248%
257%
293%
296%
301%
305%
305%
309%
311%
329%
346%
352%
365%
368%
372%
375%
376%
377%
384%
403%
411%
440%
449%
449%
467%
468%
485%
518%
534%
537%
547%
550%
569%
576%
580%
590%
617%
629%
639%
640%
642%
644%
695%
701%
718%
727%
730%
736%
738%
751%
752%
773%
832%
854%
876%
881%
890%
899%
920%
944%
966%
989%
1003%
1004%
1112%
1223%
1240%
1323%
1330%
1348%
1366%
1378%
1384%
1390%
1404%
1410%
1429%
1537%
1557%
1557%
1575%
1722%
1762%
1845%
1904%
2091%
2165%
2362%
2362%
2461%
2879%
2953%
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
875 MHz
Memory Clock
900 MHz
1800 MHz effective

Memory

Memory Size
1024 MB
Memory Type
DDR3
Memory Bus
64 bit
Bandwidth
14.40 GB/s

Render Config

Shading Units
160
TMUs
8
ROPs
4
Compute Units
2

Theoretical Performance

Pixel Rate
3.500 GPixel/s
Texture Rate
7.000 GTexel/s
FP32 (float) performance
280.0 GFLOPS

Board Design

Slot Width
Single-slot
Length
6.6 inches
168 mm
TDP
35 W
Outputs
1x DVI
1x DisplayPort
Power Connectors
None
Board Number
C369

Graphics Features

DirectX
11.2 (11_0)
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Shader Model
5.0

Caicos GPU Notes

Graphics/Compute: GFX4
Display Core Engine: 5.0
Unified Video Decoder: 3.1