AMD Radeon RX 6600S vs AMD Radeon RX Vega 64 Limited Edition
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Aug 2017
Generation
Mobility Radeon
Vega
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1700 MHz
1247 MHz
Boost Clock
2000 MHz
1546 MHz
Memory Clock
1750 MHz
945 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR6
HBM2
Memory Bus
128bit
2048bit
Bandwidth
224.0GB/s
483.8GB/s
Render Config
Compute Units
28
64
Shading Units
1792
4096
TMUs
112
256
ROPs
64
64
RT Cores
28
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
4 MB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
128.0 GPixel/s
98.94 GPixel/s
Texture Rate
224.0 GTexel/s
395.8 GTexel/s
FP16 (half)
14.34 TFLOPS
25.33 TFLOPS
FP32 (float)
7.168 TFLOPS
12.66 TFLOPS
FP64 (double)
448.0 GFLOPS
791.6 GFLOPS
Graphics Processor
GPU Name
Navi 23
Vega 10
Architecture
RDNA 2.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
11.06 billion
12.5 billion
Die Size
237 mm²
495 mm²
GPU Variant
-
Vega 10 XT(215-0894200)
Board Design
TDP
80W
295W
Outputs
No outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
2x 8-pin
Suggested PSU
-
600 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.5
6.4
📊 Benchmark
3DMark Time Spy
7,700
-
3DMark Time Spy Extreme
3,389
-