Radeon HD 3870 X2 and GeForce GTX 750 Ti - video card comparison
Passmark - benchmark score Radeon HD 3870 X2 vs GeForce GTX 750 Ti
Radeon HD 3870 X2
729
GeForce GTX 750 Ti
4020
Radeon HD 3870 X2
GeForce GTX 750 Ti
Architecture
TeraScale (2005−2013)
Maxwell (2014−2018)
GPU code name
R680
GM107
Market segment
Desktop
Desktop
Release date
January 2008
February 2014
Bus support
-
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Boost clock speed
-
1085 MHz
Core clock speed
825 MHz
1020 MHz
CUDA cores
-
640
Floating-point performance
2x 528.0 gflops
1,389 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
666 million
1,870 million
Pipelines / CUDA cores
320
640
Power consumption (TDP)
165 Watt
60 Watt
Texture fill rate
13.20
43.40
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1802 MHz
5.4 GB/s
Memory bandwidth
57.66 GB/s
86.4 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
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
10.1 (10_1)
12 (11_0)
CUDA
-
+
OpenCL
N/A
1.2
OpenGL
3.3
4.6
Shader Model
4.1
5.1
Vulkan
N/A
1.1.126
3D Gaming
-
+
3D Vision
-
+
3D Vision Live
-
+
Blu Ray 3D
-
+