Mobility Radeon HD 4870 X2 and GeForce RTX 4090 - video card comparison
Mobility Radeon HD 4870 X2
GeForce RTX 4090
Architecture
Terascale 1 (2008−2010)
Ada Lovelace
GPU code name
M98-XT
AD102-300-A1
Market segment
Laptop
Desktop
Release date
January 2009
September 2022
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
-
2520 MHz
Core clock speed
550 MHz
2235 MHz
Floating-point performance
2x 880.0 gflops
-
Manufacturing process technology
55 nm
5 nm
Number of transistors
956 million
76,300 million
Pipelines / CUDA cores
1600
16384
Power consumption (TDP)
-
450 Watt
Texture fill rate
22.00
1,290
Memory type
GDDR3, GDDR5
GDDR6X
Maximum RAM amount
2 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
888 MHz
21000 MHz
Memory bandwidth
89.6 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
10.1 (10_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
1.1
3.0
OpenGL
3.3
4.6
Shader Model
4.1
6.6
Vulkan
N/A
1.3