Nvidia GeForce 8600 GT vs AMD Radeon R9 390 X2

Nvidia GeForce 8600 GT on Amazon USA
AMD Radeon R9 390 X2 on Amazon USA

Comparison of the technical characteristics between the graphics cards, with Nvidia GeForce 8600 GT on one side and AMD Radeon R9 390 X2 on the other side. The first is dedicated to the desktop sector, it has 32 shading units, a maximum frequency of 0.5 GHz, its lithography is 80 nm. The second is used on the desktop segment, it includes 5120 shading units, a maximum frequency of 1.0 GHz, its lithography is 28 nm. The following table also compares the boost clock, the number of shading units (if indicated), of execution units, the amount of cache memory, the maximum memory capacity, the memory bus width, the release date, the number of PCIe lanes, the values ​​obtained in various benchmarks.


Graphics card Nvidia GeForce 8600 GT AMD Radeon R9 390 X2
Market (main) Desktop Desktop
Release date Q2 2007 Q3 2015
Model number G84-303-A2 215-0880030, Grenada PRO
GPU name G84 Grenada
Architecture Tesla GCN 2.0
Generation GeForce 8 8600 Pirate Islands R9 300
Lithography 80 nm 28 nm
Transistors 289,000,000 6,200,000,000
Bus interface PCIe 2.0 x16 PCIe 3.0 x16
GPU base clock 540 MHz 1.00 GHz
GPU boost clock 540 MHz 1.00 GHz
Memory frequency 700 MHz 1,350 MHz
Effective memory speed 1.4 GB/s 5.4 GB/s
Memory size 512 MB 16 GB
Memory type GDDR3 GDDR5
Memory bus 128 bit 1024 bit
Memory bandwidth 22 GB/s 691 GB/s
TDP 47 W 580 W
Suggested PSU350W ATX Power Supply 950W ATX Power Supply
Multicard technology SLI -

2x DVI
1x S-Video

2x DVI
1x DisplayPort
Cores (compute units, SM, SMX) 4 80
Shading units (cuda cores) 32 5,120
TMUs 16 320
ROPs 8 128
Cache memory 32 KB 2 MB
Pixel fillrate 4.3 GP/s 128.0 GP/s
Texture fillrate 8.6 GT/s 320.0 GT/s
Performance FP32 (float) 76.2 GFLOPS 10.2 TFLOPS

Price: For technical reasons, we cannot currently display a price less than 24 hours, or a real-time price. This is why we prefer for the moment not to show a price. You should refer to the respective online stores for the latest price, as well as availability.

We can better compare what are the technical differences between the two graphics cards.

Performances :

Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench 4.

FP32 Performance in GFLOPS
AMD Radeon R9 390 X2 10,240
Nvidia GeForce 8600 GT 76.16

The difference is 13345%.

Single precision floating point format, also known as FP32, is a computer number format that typically occupies 32 bits in PC memory. This represents a wide dynamic range of numeric values that employs a floating point.


Nvidia GeForce 8600 GT AMD equivalentAMD Radeon R9 390 X2 Nvidia equivalent

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