AMD Radeon HD 6490M Mac Edition vs ATI Mobility Radeon HD 4670

Table of Contents

Graphics Processor

GPU model Seymour M96
GPU variant Seymour XTX (216-0810005) M96 XT (216-0729051)
Architecture TeraScale 2 TeraScale
Foundry TSMC TSMC
Manufacturing process 40 nm 55 nm
Number of transistors 370 million 514 million
Die size 67 mm² 146 mm²

Mobile graphics

Release date May 2nd, 2011 Jan 9th, 2009
Generation Vancouver (HD 6400M) M9x (Mobility HD 4600)
Production End-of-life End-of-life
Interface PCIe 2.0 x16 MXM-A (3.0)
Predecessor Manhattan M8x
Successor London Manhattan
Reviews 2 in our database

Clocks

GPU clock 750 MHz 675 MHz
Memory clock 794 MHz 3.2 Gbps effective 800 MHz 1600 Mbps effective

Memory Configuration

Memory size 256 MB 512 MB
Memory type GDDR5 GDDR3
Memory bus width 64 bit 128 bit
Bandwidth 25.41 GB/s 25.60 GB/s

Render Configuration

Shading units 160 320
TMUs 8 32
ROPs 4 8
Compute units 2 4
Cache L1 8 KB (per CU) 16 KB (per CU)
Cache L2 128 KB 128 KB

Performance

Pixel rate 3.000 GPixel/s 5.400 GPixel/s
Texture rate 6.000 GTexel/s 21.60 GTexel/s
FP32 (float) performance 240.0 GFLOPS 432.0 GFLOPS

Dimensions & Outputs

TDP unknown 35 W
Outputs No outputs No outputs
Slot width MXM Module
Board number B79531

API Support & Features

DirectX 11.2 (11_0) 10.1 (10_1)
OpenGL 4.4 3.3
OpenCL 1.2 1.1
Vulkan
Shader model 5.0 4.1

Other Features

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