Radeon HD 6950M and Radeon RX 6600 XT - video card comparison
Radeon HD 6950M
Radeon RX 6600 XT
Architecture
Terascale 2 (2009−2015)
Navi / RDNA2 (2020−2022)
GPU code name
Blackcomb Pro
Navi 23
Market segment
Laptop
Desktop
Release date
January 2011
July 2021
Interface
MXM-B (3.0)
PCIe 4.0 x8
Supplementary power connectors
-
1x 8-pin
Boost clock speed
-
2589 MHz
Core clock speed
580 MHz
1968 MHz
Floating-point performance
1,113.6 gflops
-
Manufacturing process technology
40 nm
7 nm
Number of transistors
1,700 million
11,060 million
Pipelines / CUDA cores
960
2048
Power consumption (TDP)
50 Watt
160 (TGP) Watt
Texture fill rate
27.84
331.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
900 MHz
16000 MHz
Memory bandwidth
115.2 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 2x DisplayPort
HDMI
-
+
DirectX
11.2 (11_0)
12.0 Ultimate (12_2)
OpenCL
1.2
2.1
OpenGL
4.4
4.6
Shader Model
5.0
6.5
Vulkan
N/A
1.2