
GeForce 8800 GTS 640 and Radeon E9171 MCM - video card comparison
GeForce 8800 GTS 640
Radeon E9171 MCM
Architecture
Tesla (2006−2010)
GCN 4.0 (2016−2020)
GPU code name
G80
Lexa
Market segment
Desktop
Desktop
Release date
November 2006
October 2017
Interface
PCIe 1.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
1219 MHz
Core clock speed
513 MHz
1124 MHz
Floating-point performance
228.1 gflops
1,248 gflops
Manufacturing process technology
90 nm
14 nm
Number of transistors
681 million
2,200 million
Pipelines / CUDA cores
96
512
Power consumption (TDP)
143 Watt
40 Watt
Texture fill rate
24.62
39.01
Memory type
GDDR3
GDDR5
Maximum RAM amount
640 MB
4 GB
Memory bus width
320 Bit
128 Bit
Memory clock speed
1584 MHz
6000 MHz
Memory bandwidth
63.36 GB/s
96 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
6.4
Vulkan
N/A
1.2.131