Radeon HD 6990 and GeForce GTX 750 Ti - video card comparison
Passmark - benchmark score Radeon HD 6990 vs GeForce GTX 750 Ti
Radeon HD 6990
3103
GeForce GTX 750 Ti
4020
Radeon HD 6990
GeForce GTX 750 Ti
Architecture
TeraScale 3 (2010−2013)
Maxwell (2014−2018)
GPU code name
Antilles
GM107
Market segment
Desktop
Desktop
Release date
March 2011
February 2014
Bus support
-
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
None
Boost clock speed
-
1085 MHz
Core clock speed
830 MHz
1020 MHz
CUDA cores
-
640
Floating-point performance
2x 2,549.8 gflops
1,389 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
2,640 million
1,870 million
Pipelines / CUDA cores
1536
640
Power consumption (TDP)
375 Watt
60 Watt
Texture fill rate
79.68
43.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
5000 MHz
5.4 GB/s
Memory bandwidth
160.0 GB/s
86.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One mini-HDMI
Multi monitor support
-
4 displays
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126
3D Gaming
-
+
3D Vision
-
+
3D Vision Live
-
+
Blu Ray 3D
-
+