GeForce GTX 970 and Radeon HD 7950 - video card comparison
Passmark - benchmark score GeForce GTX 970 vs Radeon HD 7950
GeForce GTX 970
9932
Radeon HD 7950
4907
GeForce GTX 970
Radeon HD 7950
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
GM204
Tahiti
Market segment
Desktop
Desktop
Release date
September 2014
January 2012
Bus support
PCI Express 3.0
PCIe 3.0 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
2x 6-pins
2x 6-pin
SLI options
+
-
Boost clock speed
1178 MHz
1250 MHz
Compute units
-
28
Core clock speed
1050 MHz
-
CUDA cores
1664
-
Floating-point performance
3,920 gflops
2,867 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,200 million
4,313 million
Pipelines / CUDA cores
1664
1792
Power consumption (TDP)
145 Watt
200 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
109 billion/sec
89.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
7.0 GB/s
1250 MHz
Memory bandwidth
224 GB/s
240 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
Number of Eyefinity displays
-
6
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
4.6
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
-
+