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GPU Comparison
AMD Radeon RX 6600S vs AMD Radeon HD 7770M
AMD Radeon RX 6600S vs AMD Radeon HD 7770M
VS
AMD Radeon RX 6600S
AMD Radeon HD 7770M
We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S and 1024MB VRAM Radeon HD 7770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600S 's Advantages
Released 9 years and 9 months late
Boost Clock2000MHz
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (224.0GB/s vs 64.00GB/s)
1280 additional rendering cores
AMD Radeon HD 7770M 's Advantages
Lower TDP (32W vs 80W)
Score
Benchmark
FP32 (float)
Radeon RX 6600S
+937%
7.168 TFLOPS
Radeon HD 7770M
0.691 TFLOPS
Radeon RX 6600S
VS
Radeon HD 7770M
Graphics Card
Jan 2022
Release Date
Apr 2012
Mobility Radeon
Generation
London
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1700 MHz
Base Clock
-
2000 MHz
Boost Clock
-
1750 MHz
Memory Clock
1000 MHz
Memory
4GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
128bit
224.0GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
28
Compute Units
8
1792
Shading Units
512
112
TMUs
32
64
ROPs
16
-
Tensor Cores
-
28
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
Theoretical Performance
128.0 GPixel/s
Pixel Rate
10.80 GPixel/s
224.0 GTexel/s
Texture Rate
21.60 GTexel/s
14.34 TFLOPS
FP16 (half)
-
7.168 TFLOPS
FP32 (float)
691.2 GFLOPS
448.0 GFLOPS
FP64 (double)
43.20 GFLOPS
Graphics Processor
Navi 23
GPU Name
Chelsea
-
GPU Variant
Chelsea XT
RDNA 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
11.06 billion
Transistors
1.5 billion
237 mm²
Die Size
123 mm²
Board Design
80W
TDP
32W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.3
Vulkan
1.2
-
CUDA
-
6.5
Shader Model
5.1
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