GeForce GTX 980 Ti and Radeon HD 6950 - video card comparison
Passmark - benchmark score GeForce GTX 980 Ti vs Radeon HD 6950
GeForce GTX 980 Ti
14228
Radeon HD 6950
2693
GeForce GTX 980 Ti
Radeon HD 6950
Architecture
Maxwell (2014−2018)
TeraScale 3 (2010−2013)
GPU code name
GM200
Cayman
Market segment
Desktop
Desktop
Release date
June 2015
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)
600 Watt
-
Supplementary power connectors
6-pin + 8-pin
2x 6-pin
SLI options
+
-
Boost clock speed
1075 MHz
800 MHz
Core clock speed
1000 MHz
-
CUDA cores
2816
-
Floating-point performance
6,060 gflops
2,252.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
8,000 million
2,640 million
Pipelines / CUDA cores
2816
1408
Power consumption (TDP)
250 Watt
500 Watt
Texture fill rate
176 billion/sec
70.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
2 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
7.0 GB/s
1250 MHz
Memory bandwidth
336.5 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
4.5
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
-
-