Radeon HD 4890 and GeForce GTX 750 Ti - video card comparison
Passmark - benchmark score Radeon HD 4890 vs GeForce GTX 750 Ti
Radeon HD 4890
1552
GeForce GTX 750 Ti
4020
Radeon HD 4890
GeForce GTX 750 Ti
Architecture
TeraScale (2005−2013)
Maxwell (2014−2018)
GPU code name
RV790
GM107
Market segment
Desktop
Desktop
Release date
April 2009
February 2014
Bus support
-
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
None
Boost clock speed
-
1085 MHz
Core clock speed
850 MHz
1020 MHz
CUDA cores
-
640
Floating-point performance
1,360.0 gflops
1,389 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
959 million
1,870 million
Pipelines / CUDA cores
800
640
Power consumption (TDP)
190 Watt
60 Watt
Texture fill rate
34.00
43.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3900 MHz
5.4 GB/s
Memory bandwidth
124.8 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
1.1
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
-
+