GeForce 8800 GT and Radeon RX 640 - video card comparison
Passmark - benchmark score GeForce 8800 GT vs Radeon RX 640
GeForce 8800 GT
495
Radeon RX 640
2020
GeForce 8800 GT
Radeon RX 640
Architecture
Tesla (2006−2010)
Polaris (2016−2019)
GPU code name
G92
Polaris 12
Market segment
Desktop
Laptop
Release date
October 2007
August 2019
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
6-pin & 8-pin
None
SLI options
2-way
-
Boost clock speed
-
1218 MHz
Core clock speed
600 MHz
1218 MHz
CUDA cores
112
-
Floating-point performance
336.0 gflops
-
Manufacturing process technology
65 nm
14 nm
Number of transistors
754 million
2,200 million
Pipelines / CUDA cores
112
640
Power consumption (TDP)
105 Watt
50 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
33.6 billion/sec
38.98
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
900 MHz
6000 MHz
Memory bandwidth
57.6 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVIHDTV
1x DVI, 1x HDMI, 1x DisplayPort
Multi monitor support
+
-
HDMI
-
+
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
2.1
4.6
Shader Model
4.0
6.4
Vulkan
N/A
1.2.131
FreeSync
-
+
High Dynamic-Range Lighting (HDRR)
128bit
-