NVIDIA RTX A4000 Max-Q vs AMD Radeon RX 6600 LE
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Dec 2023
Generation
Ampere-MW
Navi II
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
780 MHz
1626 MHz
Boost Clock
1395 MHz
2495 MHz
Memory Clock
1375 MHz
1750 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
128bit
Bandwidth
352.0GB/s
224.0GB/s
Render Config
SM Count
40
-
Shading Units
5120
1792
TMUs
160
112
ROPs
80
64
Tensor Cores
160
-
RT Cores
40
28
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
4 MB
2 MB
Compute Units
-
28
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
111.6 GPixel/s
159.7 GPixel/s
Texture Rate
223.2 GTexel/s
279.4 GTexel/s
FP16 (half)
14.28 TFLOPS
17.88 TFLOPS
FP32 (float)
14.28 TFLOPS
8.942 TFLOPS
FP64 (double)
223.2 GFLOPS
558.9 GFLOPS
Graphics Processor
GPU Name
GA104
Navi 23
Architecture
Ampere
RDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
17.4 billion
11.06 billion
Die Size
392 mm²
237 mm²
GPU Variant
-
Navi 23 XL(215-130000016)
Board Design
TDP
80W
132W
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Suggested PSU
-
300 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.3
CUDA
8.6
-
Shader Model
6.8
6.7