AMD Radeon HD 6750M Mac Edition vs ATI Mobility Radeon HD 4850

Table of Contents

Graphics Processor

GPU model Whistler M98
GPU variant Whistler PRO (216-0810005)
Architecture TeraScale 2 TeraScale
Foundry TSMC TSMC
Manufacturing process 40 nm 55 nm
Number of transistors 716 million 956 million
Die size 104 mm² 256 mm²

Mobile graphics

Release date Apr 18th, 2011 Jan 9th, 2009
Generation Vancouver (HD 6700M) M9x (Mobility HD 4800)
Production End-of-life End-of-life
Interface MXM-A (3.0) PCIe 2.0 x16
Predecessor Manhattan M8x
Successor London Manhattan
Reviews 2 in our database

Clocks

GPU clock 598 MHz 500 MHz
Memory clock 794 MHz 3.2 Gbps effective 850 MHz 1700 Mbps effective

Memory Configuration

Memory size 512 MB 1024 MB
Memory type GDDR5 GDDR3
Memory bus width 128 bit 256 bit
Bandwidth 50.82 GB/s 54.40 GB/s

Render Configuration

Shading units 480 800
TMUs 24 40
ROPs 8 16
Compute units 6 10
Cache L1 8 KB (per CU) 16 KB (per CU)
Cache L2 256 KB 256 KB

Performance

Pixel rate 4.784 GPixel/s 8.000 GPixel/s
Texture rate 14.35 GTexel/s 20.00 GTexel/s
FP32 (float) performance 574.1 GFLOPS 800.0 GFLOPS
FP64 (double) performance 160.0 GFLOPS (1:5)

Dimensions & Outputs

Slot width MXM Module
TDP 35 W unknown
Outputs No outputs No outputs

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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