Radeon HD 7970 and GeForce GTX 950M - video card comparison
Passmark - benchmark score Radeon HD 7970 vs GeForce GTX 950M
Radeon HD 7970
5405
GeForce GTX 950M
2663
Radeon HD 7970
GeForce GTX 950M
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Tahiti XT
N16P-GT
Market segment
Desktop
Laptop
Release date
December 2011
March 2015
Bus support
PCIe 2.1 x16
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
SLI options
-
+
Boost clock speed
925 MHz
1124 MHz
Core clock speed
-
914 MHz
CUDA cores
-
640
Floating-point performance
3,789 gflops
1,439 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
1,870 million
Pipelines / CUDA cores
2048
640
Power consumption (TDP)
300 Watt
75 Watt
Texture fill rate
118.4
44.96
Memory type
GDDR5
DDR3 or GDDR5
Maximum RAM amount
6 GB
4 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1375 MHz
1000 or 2500 MHz
Memory bandwidth
264 GB/s
32 or 80 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
+
-
VGA аnalog display support
-
+
DisplayPort Multimode (DP++) support
-
+
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
-
1.1.126
Ansel
-
+
AppAcceleration
-
-
BatteryBoost
-
+
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
GameStream
-
+
GameWorks
-
+
GeForce ShadowPlay
-
+
GPU Boost
-
2.0
H.264, VC1, MPEG2 1080p video decoder
-
+
HD3D
-
-
Optimus
-
+
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-