Radeon RX 6700 XT vs Radeon RX 6600 LE
We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6700 XT and 8GB VRAM Radeon RX 6600 LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6700 XT 's Advantages
Boost Clock has increased by 3% (2581MHz vs 2495MHz)
More VRAM (12GB vs 8GB)
Larger VRAM bandwidth (384.0GB/s vs 224.0GB/s)
768 additional rendering cores
Radeon RX 6600 LE 's Advantages
Released 2 years and 9 months late
Lower TDP (132W vs 230W)
Score
Benchmark
FP32 (float)
Radeon RX 6700 XT
+47%
13210
Radeon RX 6600 LE
8942
3DMark Time Spy
Radeon RX 6700 XT
+65%
12804
Radeon RX 6600 LE
7720
3DMark Time Spy Extreme
Radeon RX 6700 XT
+73%
5957
Radeon RX 6600 LE
3428
Graphics Card
Mar 2021
Release Date
Dec 2023
Navi II
Generation
Navi II
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
2321 MHz
Base Clock
1626 MHz
2581 MHz
Boost Clock
2495 MHz
2000 MHz
Memory Clock
1750 MHz
Memory
12GB
Memory Size
8GB
GDDR6
Memory Type
GDDR6
192bit
Memory Bus
128bit
384.0GB/s
Bandwidth
224.0GB/s
Render Config
40
Compute Units
28
2560
Shading Units
1792
160
TMUs
112
64
ROPs
64
40
RT Cores
28
128 KB per Array
L1 Cache
128 KB per Array
3 MB
L2 Cache
2 MB
96 MB
L3 Cache
32 MB
Theoretical Performance
165.2 GPixel/s
Pixel Rate
159.7 GPixel/s
413.0 GTexel/s
Texture Rate
279.4 GTexel/s
26.43 TFLOPS
FP16 (half)
17.88 TFLOPS
13.21 TFLOPS
FP32 (float)
8.942 TFLOPS
825.9 GFLOPS
FP64 (double)
558.9 GFLOPS
Board Design
230W
TDP
132W
550 W
Suggested PSU
300 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
Navi 22
GPU Name
Navi 23
Navi 22 XT
(215-127000006)
GPU Variant
Navi 23 XL
(215-130000016)
RDNA 2.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
7 nm
Process Size
7 nm
17.2 billion
Transistors
11.06 billion
335 mm²
Die Size
237 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.3
Vulkan
1.3
6.5
Shader Model
6.7
