GeForce 8800 GTX and Radeon R7 Graphics - video card comparison
GeForce 8800 GTX
Radeon R7 Graphics
Architecture
Tesla (2006−2010)
GCN 2.0 (2013−2017)
GPU code name
G80
Spectre
Market segment
Desktop
Desktop
Release date
November 2006
January 2014
Interface
PCIe 1.0 x16
IGP
Supplementary power connectors
2x 6-pin
-
SLI options
+
-
Boost clock speed
-
980 MHz
Core clock speed
576 MHz
686 MHz
CUDA cores
575
-
Floating-point performance
345.6 gflops
526.8 gflops
Manufacturing process technology
90 nm
28 nm
Number of transistors
681 million
2,410 million
Pipelines / CUDA cores
128
512
Power consumption (TDP)
155 Watt
15 Watt
Texture fill rate
36.8 billion/sec
31.36
Memory type
GDDR3
System Shared
Maximum RAM amount
768 MB
System Shared
Memory bus width
384 Bit
System Shared
Memory clock speed
900 MHz
System Shared
Memory bandwidth
86.4 GB/s
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
11.1 (10_0)
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
3.3
4.6
Shader Model
4.0
6.0
Vulkan
N/A
1.2.131