AMD Radeon RX 6600 LE vs AMD Radeon RX 9070
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE and 16GB VRAM Radeon RX 9070 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 LE 's Advantages
Lower TDP (132W vs 220W)
AMD Radeon RX 9070 's Advantages
Released 1 years and 3 months late
Boost Clock has increased by 1% (2520MHz vs 2495MHz)
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (644.6GB/s vs 224.0GB/s)
1792 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6600 LE
8.942 TFLOPS
Radeon RX 9070
+304%
36.13 TFLOPS
3DMark Time Spy
Radeon RX 6600 LE
7720
Radeon RX 9070
+248%
26876
3DMark Time Spy Extreme
Radeon RX 6600 LE
3428
Radeon RX 9070
+281%
13072
Graphics Card
Dec 2023
Release Date
Mar 2025
Navi II
Generation
Navi IV
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 5.0 x16
Clock Speeds
1626 MHz
Base Clock
1330 MHz
2495 MHz
Boost Clock
2520 MHz
1750 MHz
Memory Clock
2518 MHz
Memory
8GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
128bit
Memory Bus
256bit
224.0GB/s
Bandwidth
644.6GB/s
Render Config
28
Compute Units
56
-
-
-
1792
Shading Units
3584
112
TMUs
224
64
ROPs
128
-
Tensor Cores
112
28
RT Cores
56
128 KB per Array
L1 Cache
128 KB per Array
2 MB
L2 Cache
8 MB
32 MB
L3 Cache
64 MB
Theoretical Performance
159.7 GPixel/s
Pixel Rate
322.6 GPixel/s
279.4 GTexel/s
Texture Rate
564.5 GTexel/s
17.88 TFLOPS
FP16 (half)
72.25 TFLOPS
8.942 TFLOPS
FP32 (float)
36.13 TFLOPS
558.9 GFLOPS
FP64 (double)
1129 GFLOPS
Board Design
132W
TDP
220W
300 W
Suggested PSU
550 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1b
3x DisplayPort 2.1a
1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Navi 23
GPU Name
Navi 48
Navi 23 XL
(215-130000016)
GPU Variant
Navi 48 XT
(215-176600331)
RDNA 2.0
Architecture
RDNA 4.0
TSMC
Foundry
TSMC
7 nm
Process Size
4 nm
11.06 billion
Transistors
53.9 billion
237 mm²
Die Size
357 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.2
1.3
Vulkan
1.3
-
-
-
6.7
Shader Model
6.8
