Radeon HD 2900 XT and Radeon RX 580 2048SP - video card comparison
Passmark - benchmark score Radeon HD 2900 XT vs Radeon RX 580 2048SP
Radeon HD 2900 XT
679
Radeon RX 580 2048SP
7930
Radeon HD 2900 XT
Radeon RX 580 2048SP
Architecture
TeraScale (2005−2013)
GCN 4.0 (2016−2020)
GPU code name
R600
Polaris 20
Market segment
Desktop
Desktop
Release date
May 2007
October 2018
Interface
PCIe 1.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 8-pin
Boost clock speed
-
1284 MHz
Core clock speed
743 MHz
1168 MHz
Floating-point performance
475.5 gflops
-
Manufacturing process technology
80 nm
14 nm
Number of transistors
720 million
5,700 million
Pipelines / CUDA cores
320
2048
Power consumption (TDP)
215 Watt
150 Watt
Texture fill rate
11.89
164.4
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
8 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1656 MHz
7000 MHz
Memory bandwidth
106.0 GB/s
224.0 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
10.0 (10_0)
12 (12_0)
OpenCL
N/A
2.0
OpenGL
3.3
4.6
Shader Model
4.0
6.4
Vulkan
N/A
1.2.131