GeForce GTX 970 and Radeon HD 6950 - video card comparison
Passmark - benchmark score GeForce GTX 970 vs Radeon HD 6950
GeForce GTX 970
9932
Radeon HD 6950
2693
GeForce GTX 970
Radeon HD 6950
Architecture
Maxwell (2014−2018)
TeraScale 3 (2010−2013)
GPU code name
GM204
Cayman
Market segment
Desktop
Desktop
Release date
September 2014
December 2010
Bus support
PCI Express 3.0
PCIe 2.0 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
2x 6-pins
2x 6-pin
SLI options
+
-
Boost clock speed
1178 MHz
800 MHz
Core clock speed
1050 MHz
-
CUDA cores
1664
-
Floating-point performance
3,920 gflops
2,252.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
5,200 million
2,640 million
Pipelines / CUDA cores
1664
1408
Power consumption (TDP)
145 Watt
500 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
109 billion/sec
70.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
7.0 GB/s
1250 MHz
Memory bandwidth
224 GB/s
-
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
2x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
4 displays
-
Eyefinity
-
1
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
6.4
5.0
Vulkan
1.1.126
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-