Radeon R9 290X2 and GeForce 8800 GTS 640 - video card comparison
Radeon R9 290X2
GeForce 8800 GTS 640
Architecture
GCN 2.0 (2013−2017)
Tesla (2006−2010)
GPU code name
Hawaii
G80
Market segment
Desktop
Desktop
Release date
June 2014
November 2006
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
4x 8-pin
1x 6-pin
Core clock speed
1000 MHz
513 MHz
Floating-point performance
2x 5,632 gflops
228.1 gflops
Manufacturing process technology
28 nm
90 nm
Number of transistors
6,200 million
681 million
Pipelines / CUDA cores
2816
96
Power consumption (TDP)
580 Watt
143 Watt
Texture fill rate
176.0
24.62
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
640 MB
Memory bus width
512 Bit
320 Bit
Memory clock speed
5400 MHz
1584 MHz
Memory bandwidth
345.6 GB/s
63.36 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
HDMI
+
-
DirectX
12 (12_0)
11.1 (10_0)
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
3.3
Shader Model
6.3
4.0
Vulkan
1.2.131
N/A