AMD Radeon HD 6750M vs AMD Radeon R7 M445

Table of Contents

Graphics Processor

GPU model Whistler Meso
GPU variant Whistler PRO (216-0810005) Meso PRO (216-0864032)
Architecture TeraScale 2 GCN 3.0
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 716 million 1,550 million
Die size 104 mm² 125 mm²

Mobile graphics

Release date Jan 4th, 2011 May 15th, 2016
Generation Vancouver (HD 6700M) Crystal System (R7 M400)
Production End-of-life End-of-life
Interface MXM-A (3.0) PCIe 3.0 x8
Predecessor Manhattan Solar System
Successor London Mobility Radeon

Clocks

GPU clock 600 MHz
Memory clock 800 MHz 1600 Mbps effective 1000 MHz 4 Gbps effective
Base clock 780 MHz
Boost clock 920 MHz

Memory Configuration

Memory size 1024 MB 4 GB
Memory type GDDR3 GDDR5
Memory bus width 128 bit 64 bit
Bandwidth 25.60 GB/s 32.00 GB/s

Render Configuration

Shading units 480 320
TMUs 24 20
ROPs 8 8
Compute units 6 5
Cache L1 8 KB (per CU) 16 KB (per CU)
Cache L2 256 KB 128 KB

Performance

Pixel rate 4.800 GPixel/s 7.360 GPixel/s
Texture rate 14.40 GTexel/s 18.40 GTexel/s
FP32 (float) performance 576.0 GFLOPS 588.8 GFLOPS
FP16 (half) performance 588.8 GFLOPS (1:1)
FP64 (double) performance 36.80 GFLOPS (1:16)

Dimensions & Outputs

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

API Support & Features

DirectX 11.2 (11_0) 12 (12_0)
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan 1.2
Shader model 5.0 6.0

Other Features

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