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GPU Comparison
AMD Radeon RX 6550M vs AMD Radeon HD 6990M
AMD Radeon RX 6550M vs AMD Radeon HD 6990M
VS
AMD Radeon RX 6550M
AMD Radeon HD 6990M
We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6550M and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6550M 's Advantages
Released 11 years and 6 months late
Boost Clock2840MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (144.0GB/s vs 115.2GB/s)
Lower TDP (80W vs 100W)
AMD Radeon HD 6990M 's Advantages
96 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6550M
+263%
5.816 TFLOPS
Radeon HD 6990M
1.602 TFLOPS
Radeon RX 6550M
VS
Radeon HD 6990M
Graphics Card
Jan 2023
Release Date
Jul 2011
Navi Mobile
Generation
Vancouver
Mobile
Type
Mobile
PCIe 4.0 x4
Bus Interface
MXM-B (3.0)
Clock Speeds
2000 MHz
Base Clock
-
2840 MHz
Boost Clock
-
2250 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
64bit
Memory Bus
256bit
144.0GB/s
Bandwidth
115.2GB/s
Render Config
-
SM Count
-
16
Compute Units
14
1024
Shading Units
1120
64
TMUs
56
32
ROPs
32
-
Tensor Cores
-
16
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
1024 KB
L2 Cache
512 KB
Theoretical Performance
90.88 GPixel/s
Pixel Rate
22.88 GPixel/s
181.8 GTexel/s
Texture Rate
40.04 GTexel/s
11.63 TFLOPS
FP16 (half)
-
5.816 TFLOPS
FP32 (float)
1.602 TFLOPS
363.5 GFLOPS
FP64 (double)
-
Graphics Processor
Navi 24
GPU Name
Blackcomb
Navi 24
GPU Variant
Blackcomb XTX (216-0811030)
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
6 nm
Process Size
40 nm
5.4 billion
Transistors
1.7 billion
107 mm²
Die Size
212 mm²
Board Design
80W
TDP
100W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.2
OpenCL
1.2
1.3
Vulkan
N/A
-
CUDA
-
6.7
Shader Model
5.0
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