Radeon HD 6970 and GeForce GTX 850M - video card comparison
Passmark - benchmark score Radeon HD 6970 vs GeForce GTX 850M
Radeon HD 6970
2921
GeForce GTX 850M
2591
Radeon HD 6970
GeForce GTX 850M
Architecture
Terascale 2 (2009−2015)
Maxwell (2014−2018)
GPU code name
Cayman
N15P-GT
Market segment
Desktop
Laptop
Release date
December 2010
March 2014
Bus support
PCIe 2.0 x16
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
SLI options
-
+
Boost clock speed
880 MHz
-
Core clock speed
-
Up to 936 MHz
CUDA cores
-
640
Floating-point performance
2,703.4 gflops
1,155 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
2,640 million
1,870 million
Pipelines / CUDA cores
1536
640
Power consumption (TDP)
550 Watt
45 Watt
Texture fill rate
84.48
36.08
Memory type
DDR5
DDR3, GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1375 MHz
Up to 2500 MHz
Memory bandwidth
-
80.0 GB/s
Shared memory
-
-
Standard memory configuration
-
DDR3 or GDDR5
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
Eyefinity
1
-
VGA аnalog display support
-
Up to 2048x1536
DisplayPort Multimode (DP++) support
-
Up to 3840x2160
HDCP content protection
-
+
HDMI
+
+
7.1 channel HD audio on HDMI
-
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
5.0
5.1
Vulkan
-
1.1.126
Ansel
-
+
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
H.264, VC1, MPEG2 1080p video decoder
-
+
HD3D
-
-
Optimus
-
+
PowerTune
-
-
TrueAudio
-
-
TrueHD and DTS-HD audio bitstreaming
-
+
ZeroCore
-
-