AMD Radeon RX 6600 LE vs AMD Radeon RX 7800 XT
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE and 16GB VRAM Radeon RX 7800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 LE 's Advantages
Boost Clock has increased by 3% (2495MHz vs 2430MHz)
Lower TDP (132W vs 263W)
AMD Radeon RX 7800 XT 's Advantages
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (624.1GB/s vs 224.0GB/s)
2048 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6600 LE
8.942 TFLOPS
Radeon RX 7800 XT
+317%
37.32 TFLOPS
3DMark Time Spy
Radeon RX 6600 LE
7720
Radeon RX 7800 XT
+160%
20086
3DMark Time Spy Extreme
Radeon RX 6600 LE
3428
Radeon RX 7800 XT
+175%
9448
Graphics Card
Dec 2023
Release Date
Aug 2023
Navi II
Generation
Navi III
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
1626 MHz
Base Clock
1295 MHz
2495 MHz
Boost Clock
2430 MHz
1750 MHz
Memory Clock
2438 MHz
Memory
8GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
128bit
Memory Bus
256bit
224.0GB/s
Bandwidth
624.1GB/s
Render Config
28
Compute Units
60
-
-
-
1792
Shading Units
3840
112
TMUs
240
64
ROPs
96
-
-
-
28
RT Cores
60
128 KB per Array
L1 Cache
128 KB per Array
2 MB
L2 Cache
4 MB
32 MB
L3 Cache
64 MB
Theoretical Performance
159.7 GPixel/s
Pixel Rate
233.3 GPixel/s
279.4 GTexel/s
Texture Rate
583.2 GTexel/s
17.88 TFLOPS
FP16 (half)
74.65 TFLOPS
8.942 TFLOPS
FP32 (float)
37.32 TFLOPS
558.9 GFLOPS
FP64 (double)
1166 GFLOPS
Board Design
132W
TDP
263W
300 W
Suggested PSU
600 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1a
3x DisplayPort 2.1
1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Navi 23
GPU Name
Navi 32
Navi 23 XL
(215-130000016)
GPU Variant
Navi 32 XT
(215-180000006)
RDNA 2.0
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
7 nm
Process Size
5 nm
11.06 billion
Transistors
28.1 billion
237 mm²
Die Size
346 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
6.7
