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AMD Radeon HD 7490M
- Graphics Processor
- Seymour
- Cores
- 160
- TMUs
- 8
- ROPs
- 4
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Bus Width
- 64 bit
Recommended Gaming Resolutions:
- 640x480
- 1280x720
- 1366x768
The Radeon HD 7490M was a mobile graphics chip by AMD, launched on January 7th, 2012. Built on the 40 nm process, and based on the Seymour graphics processor, in its Seymour XTX variant, the chip supports DirectX 11.2. The Seymour 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 paired 1,024 MB GDDR5 memory with the Radeon HD 7490M, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 800 MHz, memory is running at 950 MHz (3.8 Gbps effective).
Its power draw is rated at 9 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Rather it is intended for use in laptop/notebooks and will use the output of the host mobile device. Radeon HD 7490M is connected to the rest of the system using a PCI-Express 2.0 x16 interface.
Its power draw is rated at 9 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Rather it is intended for use in laptop/notebooks and will use the output of the host mobile device. Radeon HD 7490M is connected to the rest of the system using a PCI-Express 2.0 x16 interface.
Graphics Processor
- GPU Name
- Seymour
- GPU Variant
-
Seymour XTX
(216-0810005)
- Architecture
- TeraScale 2
- Foundry
- TSMC
- Process Size
- 40 nm
- Transistors
- 370 million
- Die Size
- 67 mm²
Mobile Graphics
- Release Date
- Jan 7th, 2012
- Generation
-
London
(HD 7400M)
- Predecessor
- Vancouver
- Successor
- Solar System
- Production
- End-of-life
- Bus Interface
- PCIe 2.0 x16
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Performance estimated based on architecture, shader count and clocks.
Clock Speeds
- GPU Clock
- 800 MHz
- Memory Clock
-
950 MHz
3.8 Gbps effective
Memory
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Memory Bus
- 64 bit
- Bandwidth
- 30.40 GB/s
Render Config
- Shading Units
- 160
- TMUs
- 8
- ROPs
- 4
- Compute Units
- 2
- L1 Cache
- 8 KB (per CU)
- L2 Cache
- 128 KB
Theoretical Performance
- Pixel Rate
- 3.200 GPixel/s
- Texture Rate
- 6.400 GTexel/s
- FP32 (float) performance
- 256.0 GFLOPS
Board Design
- TDP
- 9 W
- Outputs
- No outputs
Graphics Features
- DirectX
- 11.2 (11_0)
- OpenGL
- 4.4
- OpenCL
- 1.2
- Vulkan
- N/A
- Shader Model
- 5.0
Seymour GPU Notes
| Architecture Codename: Northern Islands Chip Variant: Caicos Graphics/Compute: GFX4 Display Core Engine: 5.0 Unified Video Decoder: 3.1 |
May 28th, 2022 08:51 EDT
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