AMD Radeon HD 6490M Mac Edition

AMD Radeon HD 6490M Mac Edition — 256 Гб GDDR5, 160 ядер, GPI 0.7

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Performance Rating

The Radeon HD 6490M Mac Edition was a mobile graphics chip by AMD, launched on May 2nd, 2011. Built on the 40 nm process, and based on the Seymour graphics processor, in its Seymour XTX M2 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 256 MB GDDR5 memory with the Radeon HD 6490M Mac Edition, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 750 MHz, memory is running at 794 MHz (3.2 Gbps effective).

A100 A100
H200 H200
MI325X MI325X

AMD Radeon HD 6490M Mac Edition

0.7

AMD Radeon HD 6490M Mac Edition

0.7

Memory

Memory Size

256 MB

Memory Type

Memory Bandwidth

25.41 GB/s

Memory Bus Width

64 бит

ML Performance

FP16 (Half Precision)

No TFLOPS

BF16 (Brain Float)

No TFLOPS
311.84 TFLOPS
(NVIDIA A800 SXM4 80 GB)

TF32 (TensorFloat)

Compute Power

FP32 (Single Precision)

0.24 TFLOPS

FP64 (Double Precision)

No TFLOPS

CUDA Cores

Architecture & Compatibility

GPU Architecture

SM (Streaming Multiprocessor)

PCIe Version

PCIe 2.0 x16

ML Software Support

CUDA Version

Clocks & Performance

Base Clock

Memory Clock

Power Consumption

Recommended PSU

Power Connector

No

TDP/TGP

No
unknown
(NVIDIA CMP 70HX)

Rendering

Texture Units (TMU)

L2 Cache

128 KB

Additional

Slots

No
SXM Module
(NVIDIA B300)

Release Date

May 2, 2011
March 12, 2026
(Intel Arc B770)

Display Outputs

None
Portable Device Dependent
(NVIDIA GeForce RTX 5090 Mobile)

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