AMD Radeon RX 6600 vs AMD Radeon RX Vega 56
GPU Specs Compare
Graphics Card
Release Date
Oct 2021
Aug 2017
Generation
Navi II
Vega
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1626 MHz
1156 MHz
Boost Clock
2491 MHz
1471 MHz
Memory Clock
1750 MHz
800 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR6
HBM2
Memory Bus
128bit
2048bit
Bandwidth
224.0GB/s
409.6GB/s
Render Config
Compute Units
28
56
Shading Units
1792
3584
TMUs
112
224
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
159.4 GPixel/s
94.14 GPixel/s
Texture Rate
279.0 GTexel/s
329.5 GTexel/s
FP16 (half)
17.86 TFLOPS
21.09 TFLOPS
FP32 (float)
8.928 TFLOPS
10.54 TFLOPS
FP64 (double)
558.0 GFLOPS
659.0 GFLOPS
Graphics Processor
GPU Name
Navi 23
Vega 10
GPU Variant
Navi 23 XL(215-130000016)
Vega 10 XL(215-0894216)
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
Board Design
TDP
132W
210W
Suggested PSU
300 W
550 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
1x 8-pin
2x 8-pin
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
-
6,783
3DMark Time Spy Extreme
-
3,310