AMD Radeon RX 6600 vs AMD Radeon RX 9070 GRE 16 GB
GPU · Specs Compare
Graphics Card
Release Date
Oct 2021
Jan 2025
Generation
Navi II
Navi IV
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
1626 MHz
1420 MHz
Boost Clock
2491 MHz
2790 MHz
Memory Clock
1750 MHz
2250 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
256bit
Bandwidth
224.0GB/s
576.0GB/s
Render Config
Compute Units
28
48
Shading Units
1792
3072
TMUs
112
192
ROPs
64
96
RT Cores
28
48
L1 Cache
128 KB per Array
—
L2 Cache
2 MB
8 MB
L3 Cache
32 MB
48 MB
Theoretical Performance
Pixel Rate
159.4 GPixel/s
267.8 GPixel/s
Texture Rate
279.0 GTexel/s
535.7 GTexel/s
FP16 (half)
17.86 TFLOPS
68.57 TFLOPS
FP32 (float)
8.928 TFLOPS
34.28 TFLOPS
FP64 (double)
558.0 GFLOPS
1071.4 GFLOPS
Graphics Processor
GPU Name
Navi 23
Navi 48
GPU Variant
Navi 23 XL(215-130000016)
Navi 48 XL
Architecture
RDNA 2.0
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
7 nm
4 nm
Transistors
11.06 billion
53.9 billion
Die Size
237 mm²
357 mm²
Board Design
TDP
132W
220W
Suggested PSU
300 W
550 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.1b3x DisplayPort 2.1a
Power Connectors
1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.2
Vulkan
1.3
1.3
Shader Model
6.5
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.