GeForce GTX 750 Ti and Radeon HD 7970 GHz Edition - video card comparison
GeForce GTX 750 Ti
Radeon HD 7970 GHz Edition
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
GM107
Tahiti
Market segment
Desktop
Desktop
Release date
February 2014
June 2012
Bus support
PCI Express 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Boost clock speed
1085 MHz
1050 MHz
Core clock speed
1020 MHz
-
CUDA cores
640
-
Floating-point performance
1,389 gflops
4,301 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
4,313 million
Pipelines / CUDA cores
640
2048
Power consumption (TDP)
60 Watt
250 Watt
Texture fill rate
43.40
134.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
3 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
5.4 GB/s
1500 MHz
Memory bandwidth
86.4 GB/s
288 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One mini-HDMI
1x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
4 displays
-
Eyefinity
-
1
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
-
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
AppAcceleration
-
-
Blu Ray 3D
+
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-