GeForce GTX 960 and Radeon HD 6850M - video card comparison
GeForce GTX 960
Radeon HD 6850M
Architecture
Maxwell (2014−2018)
Terascale 2 (2009−2015)
GPU code name
GM206
Granville Pro/LP
Market segment
Desktop
Laptop
Release date
January 2015
January 2011
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
400 Watt
-
Supplementary power connectors
1x 6-pins
-
SLI options
+
-
Boost clock speed
1178 MHz
-
Core clock speed
1127 MHz
575 / 675 MHz
CUDA cores
1024
-
Floating-point performance
2,413 gflops
1,080.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,940 million
1,040 million
Pipelines / CUDA cores
1024
800
Power consumption (TDP)
120 Watt
50 Watt
Texture fill rate
72 billion/sec
27.00
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
7.0 GB/s
800 MHz
Memory bandwidth
112 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
11.2 (11_0)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
6.4
5.0
Vulkan
+
N/A
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-