Radeon HD 4890 and GeForce 940MX - video card comparison
Passmark - benchmark score Radeon HD 4890 vs GeForce 940MX
Radeon HD 4890
1552
GeForce 940MX
1561
Radeon HD 4890
GeForce 940MX
Architecture
TeraScale (2005−2013)
Maxwell (2014−2018)
GPU code name
RV790
N16S-GTR-B/S
Market segment
Desktop
Laptop
Release date
April 2009
March 2016
Bus support
-
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
None
Boost clock speed
-
1242 MHz
Core clock speed
850 MHz
1122 MHz
Floating-point performance
1,360.0 gflops
762.6 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
959 million
1,870 million
Pipelines / CUDA cores
800
384
Power consumption (TDP)
190 Watt
23 Watt
Texture fill rate
34.00
23.83
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
3900 MHz
4000 MHz
Memory bandwidth
124.8 GB/s
40.1 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
+
OpenCL
1.1
1.2
OpenGL
3.3
4.5
Shader Model
4.1
5.1
Vulkan
N/A
1.1
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+