AMD Radeon HD 6950 vs NVIDIA GeForce GTX 950M Mac Edition

Table of Contents

Graphics Processor

GPU model Cayman GM107
GPU variant Cayman PRO (215-0807019) N16P-GT
Architecture TeraScale 3 Maxwell
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 2,640 million 1,870 million
Die size 389 mm² 148 mm²

Graphics Card

Release date Dec 14th, 2010
Generation Northern Islands
Production End-of-life
Launch price 299 USD
Interface PCIe 2.0 x16
Reviews 111 in our database
Predecessor Evergreen
Successor Southern Islands

Clocks

GPU clock 800 MHz
Memory clock 1250 MHz 5 Gbps effective 900 MHz 1800 Mbps effective
Base clock 993 MHz
Boost clock 1124 MHz

Memory Configuration

Memory size 2 GB 2 GB
Memory type GDDR5 DDR3
Memory bus width 256 bit 128 bit
Bandwidth 160.0 GB/s 28.80 GB/s

Render Configuration

Shading units 1408 640
TMUs 88 40
ROPs 32 16
Compute units 22
Cache L1 8 KB (per CU) 64 KB (per SMM)
Cache L2 512 KB 2 MB
SMM count 5

Performance

Pixel rate 25.60 GPixel/s 17.98 GPixel/s
Texture rate 70.40 GTexel/s 44.96 GTexel/s
FP32 (float) performance 2.253 TFLOPS 1,439 GFLOPS
FP64 (double) performance 563.2 GFLOPS (1:4) 44.96 GFLOPS (1:32)

Dimensions & Outputs

Slot width Dual-slot MXM Module
Length 286 mm 11.3 inches
Width 126 mm 5 inches
Height 42 mm 1.7 inches
TDP 200 W 75 W
Suggested PSU 550 W
Outputs 2x DVI1x HDMI2x mini-DisplayPort No outputs
Power connectors 2x 6-pin
Board number C216-47

API Support & Features

DirectX 11.2 (11_0) 12 (11_0)
OpenGL 4.4 4.6
OpenCL 1.2 3.0
Vulkan 1.1
Shader model 5.0 5.1
CUDA 5.0

Other Features

Mobile graphics

Release date Mar 13th, 2015
Generation GeForce 900M
Production End-of-life
Interface MXM-B (3.0)
Predecessor GeForce 800M
Successor GeForce 10 Mobile

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