GeForce GTX 970 and Radeon HD 7970 GHz Edition - video card comparison
GeForce GTX 970
Radeon HD 7970 GHz Edition
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
GM204
Tahiti
Market segment
Desktop
Desktop
Release date
September 2014
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)
500 Watt
-
Supplementary power connectors
2x 6-pins
1x 6-pin + 1x 8-pin
SLI options
+
-
Boost clock speed
1178 MHz
1050 MHz
Core clock speed
1050 MHz
-
CUDA cores
1664
-
Floating-point performance
3,920 gflops
4,301 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,200 million
4,313 million
Pipelines / CUDA cores
1664
2048
Power consumption (TDP)
145 Watt
250 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
109 billion/sec
134.4
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
1500 MHz
Memory bandwidth
224 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
4.4
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
-
-