Radeon HD 2900 XT and GeForce RTX 4090 - video card comparison
Passmark - benchmark score Radeon HD 2900 XT vs GeForce RTX 4090
Radeon HD 2900 XT
679
GeForce RTX 4090
39778
Radeon HD 2900 XT
GeForce RTX 4090
Architecture
TeraScale (2005−2013)
Ada Lovelace
GPU code name
R600
AD102-300-A1
Market segment
Desktop
Desktop
Release date
May 2007
September 2022
Interface
PCIe 1.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 16-pin
Boost clock speed
-
2520 MHz
Core clock speed
743 MHz
2235 MHz
Floating-point performance
475.5 gflops
-
Manufacturing process technology
80 nm
5 nm
Number of transistors
720 million
76,300 million
Pipelines / CUDA cores
320
16384
Power consumption (TDP)
215 Watt
450 Watt
Texture fill rate
11.89
1,290
Memory type
GDDR3
GDDR6X
Maximum RAM amount
512 MB
24 GB
Memory bus width
512 Bit
384 Bit
Memory clock speed
1656 MHz
21000 MHz
Memory bandwidth
106.0 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
10.0 (10_0)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
N/A
3.0
OpenGL
3.3
4.6
Shader Model
4.0
6.6
Vulkan
N/A
1.3