AMD Radeon HD 6950 vs NVIDIA GeForce GTX 675MX Mac Edition

Table of Contents

Graphics Processor

GPU model Cayman GK104
GPU variant Cayman PRO (215-0807019) N13E-GSR-A2
Architecture TeraScale 3 Kepler
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 2,640 million 3,540 million
Die size 389 mm² 294 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 719 MHz
Memory clock 1250 MHz 5 Gbps effective 1250 MHz 5 Gbps effective

Memory Configuration

Memory size 2 GB 1024 MB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 256 bit
Bandwidth 160.0 GB/s 160.0 GB/s

Render Configuration

Shading units 1408 1344
TMUs 88 112
ROPs 32 32
Compute units 22
Cache L1 8 KB (per CU) 16 KB (per SMX)
Cache L2 512 KB 512 KB
SMX count 7

Performance

Pixel rate 25.60 GPixel/s 20.13 GPixel/s
Texture rate 70.40 GTexel/s 80.53 GTexel/s
FP32 (float) performance 2.253 TFLOPS 1.933 TFLOPS
FP64 (double) performance 563.2 GFLOPS (1:4) 80.53 GFLOPS (1:24)

Dimensions & Outputs

Slot width Dual-slot
Length 286 mm 11.3 inches
Width 126 mm 5 inches
Height 42 mm 1.7 inches
TDP 200 W 100 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 3.0

Other Features

Mobile graphics

Release date Apr 1st, 2013
Generation GeForce 600M
Production End-of-life
Interface PCIe 3.0 x16
Predecessor GeForce 500M
Successor GeForce 700M

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