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GeForce GTX 970M and Radeon HD 6870 - video card comparison

Passmark - benchmark score GeForce GTX 970M vs Radeon HD 6870

GeForce GTX 970M
5911
Radeon HD 6870
2285

GeForce GTX 970M

Radeon HD 6870

Architecture
Maxwell (2014−2018)
Terascale 2 (2009−2015)
GPU code name
GM204
RV940 Barts
Market segment
Laptop
Desktop
Release date
October 2014
October 2010
Bus support
PCI Express 3.0
PCIe 2.0 x16
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
2x 6-pin
SLI options
+
-
Boost clock speed
1038 MHz
900 MHz
Core clock speed
924 MHz
-
CUDA cores
1280
-
Floating-point performance
2,657 gflops
2,016.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
5,200 million
1,700 million
Pipelines / CUDA cores
1280
1120
Power consumption (TDP)
unknown
151 Watt
Texture fill rate
83.04
50.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
1 GB
Memory bus width
192 Bit
256 Bit
Memory clock speed
2500 MHz
1050 MHz
Memory bandwidth
120 GB/s
134.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
1
VGA аnalog display support
+
-
DisplayPort Multimode (DP++) support
+
-
HDMI
+
+
DisplayPort support
-
-
G-SYNC support
+
-
DirectX
12 (12_1)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
6.4
5.0
Vulkan
1.1.126
-
Ansel
+
-
AppAcceleration
-
-
BatteryBoost
+
-
CrossFire
-
1
Enduro
-
-
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
H.264, VC1, MPEG2 1080p video decoder
+
-
HD3D
-
-
Optimus
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-