GeForce GTX 970M SLI and Radeon HD 7850 - video card comparison
GeForce GTX 970M SLI
Radeon HD 7850
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
-
Pitcairn
Market segment
Laptop
Desktop
Release date
October 2014
March 2012
Bus support
-
PCIe 2.1 x16
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
SLI options
+
-
Boost clock speed
1038 MHz
1000 MHz
Core clock speed
924 MHz
-
Floating-point performance
-
1,761 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2x 5200 Million
2,800 million
Pipelines / CUDA cores
2560
1024
Power consumption (TDP)
162 Watt
130 Watt
Texture fill rate
-
55.04
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 6 GB
2 GB
Memory bus width
2x 192 Bit
256 Bit
Memory clock speed
5000 MHz
1200 MHz
Memory bandwidth
-
153.6 GB/s
Shared memory
-
-
Display Connectors
-
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
1
HDMI
-
+
DisplayPort support
-
-
DirectX
12_1
12
CUDA
+
-
Mantle
-
-
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
+
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
-
Optimus
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-