NVIDIA GeForce GTX 680 Mac Edition vs AMD Radeon RX 6600
GPU Specs Compare
Graphics Card
Release Date
Apr 2013
Oct 2021
Generation
GeForce 600
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1006 MHz
1626 MHz
Boost Clock
1058 MHz
2491 MHz
Memory Clock
1502 MHz
1750 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
192.3GB/s
224.0GB/s
Render Config
Shading Units
1536
1792
TMUs
128
112
ROPs
32
64
L1 Cache
16 KB (per SMX)
128 KB per Array
L2 Cache
512 KB
2 MB
Compute Units
-
28
RT Cores
-
28
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
33.86 GPixel/s
159.4 GPixel/s
Texture Rate
135.4 GTexel/s
279.0 GTexel/s
FP32 (float)
3.250 TFLOPS
8.928 TFLOPS
FP64 (double)
135.4 GFLOPS
558.0 GFLOPS
FP16 (half)
-
17.86 TFLOPS
Graphics Processor
GPU Name
GK104
Navi 23
GPU Variant
GK104-400-A2
Navi 23 XL(215-130000016)
Architecture
Kepler
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
3.54 billion
11.06 billion
Die Size
294 mm²
237 mm²
Board Design
TDP
195W
132W
Suggested PSU
450 W
300 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 6-pin
1x 8-pin
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.3
CUDA
3.0
-
Shader Model
5.1
6.5