AMD Radeon RX 6950 XT vs AMD Radeon RX 6600 LE
GPU · Specs Compare
Graphics Card
Release Date
May 2022
Dec 2023
Generation
Navi II
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1860 MHz
1626 MHz
Boost Clock
2310 MHz
2495 MHz
Memory Clock
2250 MHz
1750 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
128bit
Bandwidth
576.0GB/s
224.0GB/s
Render Config
Compute Units
80
28
Shading Units
5120
1792
TMUs
320
112
ROPs
128
64
RT Cores
80
28
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
32 MB
Theoretical Performance
Pixel Rate
295.7 GPixel/s
159.7 GPixel/s
Texture Rate
739.2 GTexel/s
279.4 GTexel/s
FP16 (half)
47.31 TFLOPS
17.88 TFLOPS
FP32 (float)
23.65 TFLOPS
8.942 TFLOPS
FP64 (double)
1478 GFLOPS
558.9 GFLOPS
Graphics Processor
GPU Name
Navi 21
Navi 23
GPU Variant
Navi 21 KXTX(215-121000289)
Navi 23 XL(215-130000016)
Architecture
RDNA 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
26.8 billion
11.06 billion
Die Size
520 mm²
237 mm²
Board Design
TDP
335W
132W
Suggested PSU
700 W
300 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.3
Shader Model
6.5
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.