AMD Radeon RX 6600S vs NVIDIA GeForce RTX 5070
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Mar 2025
Generation
Mobility Radeon
GeForce 50
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
1700 MHz
2325 MHz
Boost Clock
2000 MHz
2512 MHz
Memory Clock
1750 MHz
1750 MHz
Memory
Memory Size
4GB
12GB
Memory Type
GDDR6
GDDR7
Memory Bus
128bit
192bit
Bandwidth
224.0GB/s
672.0GB/s
Render Config
Compute Units
28
-
Shading Units
1792
6144
TMUs
112
192
ROPs
64
80
RT Cores
28
48
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
48 MB
L3 Cache
32 MB
-
SM Count
-
48
Tensor Cores
-
192
Theoretical Performance
Pixel Rate
128.0 GPixel/s
201.0 GPixel/s
Texture Rate
224.0 GTexel/s
482.3 GTexel/s
FP16 (half)
14.34 TFLOPS
30.87 TFLOPS
FP32 (float)
7.168 TFLOPS
30.87 TFLOPS
FP64 (double)
448.0 GFLOPS
482.3 GFLOPS
Graphics Processor
GPU Name
Navi 23
GB205
Architecture
RDNA 2.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
11.06 billion
31.1 billion
Die Size
237 mm²
263 mm²
GPU Variant
-
GB205-300-A1
Board Design
TDP
80W
250W
Outputs
No outputs
1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors
None
1x 16-pin
Suggested PSU
-
600 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.4
Shader Model
6.5
6.8
CUDA
-
12.0
📊 Benchmark
3DMark Time Spy
7,700
22,544
3DMark Time Spy Extreme
3,389
10,789
3DMark Speed Way
-
5,896
Blender
-
6,218