
Radeon HD 4890 and GeForce GTX 280M SLI - video card comparison
Radeon HD 4890
GeForce GTX 280M SLI
Architecture
TeraScale (2005−2013)
G9x (2007−2010)
GPU code name
RV790
N10E-GTX
Market segment
Desktop
Laptop
Release date
April 2009
March 2009
Interface
PCIe 2.0 x16
-
Supplementary power connectors
2x 6-pin
-
Core clock speed
850 MHz
585 MHz
Floating-point performance
1,360.0 gflops
-
Manufacturing process technology
55 nm
55 nm
Number of transistors
959 million
1508 Million
Pipelines / CUDA cores
800
256
Power consumption (TDP)
190 Watt
150 Watt
Texture fill rate
34.00
-
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
3900 MHz
950 MHz
Memory bandwidth
124.8 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
-
DirectX
10.1 (10_1)
10
CUDA
-
+
OpenCL
1.1
-
OpenGL
3.3
-
Shader Model
4.1
-
Vulkan
N/A
-