GeForce GTX 950 and Radeon HD 7970 GHz Edition - video card comparison
GeForce GTX 950
Radeon HD 7970 GHz Edition
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
GM206
Tahiti
Market segment
Desktop
Desktop
Release date
August 2015
June 2012
Bus support
PCI Express 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
350 Watt
-
Supplementary power connectors
1x 6-pins
1x 6-pin + 1x 8-pin
SLI options
+
-
Boost clock speed
1188 MHz
1050 MHz
Core clock speed
1024 MHz
-
CUDA cores
768
-
Floating-point performance
1,825 gflops
4,301 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,940 million
4,313 million
Pipelines / CUDA cores
768
2048
Power consumption (TDP)
90 Watt
250 Watt
Texture fill rate
49.2 billion/sec
134.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
6.6 GB/s
1500 MHz
Memory bandwidth
105.6 GB/s
288 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
1x 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
4.6
Shader Model
6.4
5.1
Vulkan
1.1.126
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-