Radeon HD 6850 and GeForce GTX 950M Mac Edition - video card comparison
Radeon HD 6850
GeForce GTX 950M Mac Edition
Architecture
TeraScale 2 (2009−2015)
Maxwell (2014−2018)
GPU code name
Barts
GM107
Market segment
Desktop
Desktop
Release date
October 2010
March 2015
Bus support
AGP
-
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
1124 MHz
Core clock speed
-
993 MHz
Floating-point performance
1,488.0 gflops
1,271 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
1,870 million
Pipelines / CUDA cores
960
640
Power consumption (TDP)
127 Watt
75 Watt
Texture fill rate
37.20
44.96
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1800 MHz
Memory bandwidth
128.0 GB/s
28.8 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (11_0)
CUDA
-
5.0
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
-
1.1.126
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-