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GPU Comparison
AMD Radeon RX 6650M vs ATI Mobility Radeon HD 3870 X2
AMD Radeon RX 6650M vs ATI Mobility Radeon HD 3870 X2
VS
AMD Radeon RX 6650M
ATI Mobility Radeon HD 3870 X2
We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6650M and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6650M 's Advantages
Released 13 years and 4 months late
Boost Clock2416MHz
Larger VRAM bandwidth (256.0GB/s vs 54.40GB/s)
1472 additional rendering cores
ATI Mobility Radeon HD 3870 X2 's Advantages
Lower TDP (110W vs 120W)
Score
Benchmark
FP32 (float)
Radeon RX 6650M
+1951%
8.659 TFLOPS
Mobility Radeon HD 3870 X2
0.422 TFLOPS
Radeon RX 6650M
VS
Mobility Radeon HD 3870 X2
Graphics Card
Jan 2022
Release Date
Sep 2008
Mobility Radeon
Generation
M8x
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
2068 MHz
Base Clock
-
2416 MHz
Boost Clock
-
2000 MHz
Memory Clock
850 MHz
Memory
8GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
128bit
Memory Bus
256bit
256.0GB/s
Bandwidth
54.40GB/s
Render Config
-
SM Count
-
28
Compute Units
4
1792
Shading Units
320
112
TMUs
16
64
ROPs
16
-
Tensor Cores
-
28
RT Cores
-
128 KB per Array
L1 Cache
-
2 MB
L2 Cache
256 KB
Theoretical Performance
154.6 GPixel/s
Pixel Rate
10.56 GPixel/s
270.6 GTexel/s
Texture Rate
10.56 GTexel/s
17.32 TFLOPS
FP16 (half)
-
8.659 TFLOPS
FP32 (float)
422.4 GFLOPS
541.2 GFLOPS
FP64 (double)
84.48 GFLOPS
Graphics Processor
Navi 23
GPU Name
M88
-
GPU Variant
-
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
7 nm
Process Size
55 nm
11.06 billion
Transistors
0.666 billion
237 mm²
Die Size
192 mm²
Board Design
120W
TDP
110W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
N/A
1.3
Vulkan
N/A
-
CUDA
-
6.5
Shader Model
4.1
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