Radeon HD 6850 and GeForce GTX 670MX SLI - video card comparison
Radeon HD 6850
GeForce GTX 670MX SLI
Architecture
TeraScale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Barts
N13E-GR
Market segment
Desktop
Laptop
Release date
October 2010
October 2012
Bus support
AGP
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
1x 6-pin
-
SLI options
-
+
Core clock speed
-
600 MHz
Floating-point performance
1,488.0 gflops
-
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
5080 Million
Pipelines / CUDA cores
960
1920
Power consumption (TDP)
127 Watt
150 Watt
Texture fill rate
37.20
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
-
Memory bus width
256 Bit
2x 192 Bit
Memory clock speed
-
2800 MHz
Memory bandwidth
128.0 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
-
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
11
CUDA
-
+
Mantle
-
-
OpenCL
1.2
-
OpenGL
4.4
-
Shader Model
5.0
-
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
Optimus
-
+
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-