AMD Radeon RX 6600 vs NVIDIA GeForce GTX 780
GPU Specs Compare
Graphics Card
Release Date
Oct 2021
May 2013
Generation
Navi II
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1626 MHz
863 MHz
Boost Clock
2491 MHz
902 MHz
Memory Clock
1750 MHz
1502 MHz
Memory
Memory Size
8GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
384bit
Bandwidth
224.0GB/s
288.4GB/s
Render Config
Compute Units
28
-
Shading Units
1792
2304
TMUs
112
192
ROPs
64
48
RT Cores
28
-
L1 Cache
128 KB per Array
16 KB (per SMX)
L2 Cache
2 MB
1536 KB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
159.4 GPixel/s
43.30 GPixel/s
Texture Rate
279.0 GTexel/s
173.2 GTexel/s
FP16 (half)
17.86 TFLOPS
-
FP32 (float)
8.928 TFLOPS
4.156 TFLOPS
FP64 (double)
558.0 GFLOPS
173.2 GFLOPS
Graphics Processor
GPU Name
Navi 23
GK110
GPU Variant
Navi 23 XL(215-130000016)
GK110-300-A1
Architecture
RDNA 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
11.06 billion
7.08 billion
Die Size
237 mm²
561 mm²
Board Design
TDP
132W
250W
Suggested PSU
300 W
600 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.2.175
Shader Model
6.5
6.5 (5.1)
CUDA
-
3.5