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GPU Comparison
AMD Radeon R5 A255 vs AMD Radeon HD 6430M
AMD Radeon R5 A255 vs AMD Radeon HD 6430M
VS
AMD Radeon R5 A255
AMD Radeon HD 6430M
We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 1024MB VRAM Radeon HD 6430M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R5 A255 's Advantages
Released 3 years late
Boost Clock940MHz
Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)
224 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R5 A255
+371%
0.721 TFLOPS
Radeon HD 6430M
0.153 TFLOPS
Radeon R5 A255
VS
Radeon HD 6430M
Graphics Card
Jan 2014
Release Date
Jan 2011
All-In-One
Generation
Vancouver
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
925 MHz
Base Clock
-
940 MHz
Boost Clock
-
1000 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
64.00GB/s
Bandwidth
12.80GB/s
Render Config
-
SM Count
-
6
Compute Units
2
384
Shading Units
160
24
TMUs
8
8
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
Theoretical Performance
7.520 GPixel/s
Pixel Rate
1.920 GPixel/s
22.56 GTexel/s
Texture Rate
3.840 GTexel/s
-
FP16 (half)
-
721.9 GFLOPS
FP32 (float)
153.6 GFLOPS
-
FP64 (double)
-
Graphics Processor
Topaz
GPU Name
Seymour
Topaz PRO (216-0858030)
GPU Variant
Seymour LP S3 (216-0809020)
GCN 3.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.55 billion
Transistors
0.37 billion
125 mm²
Die Size
67 mm²
Board Design
Unknown
TDP
Unknown
-
Suggested PSU
-
Portable Device Dependent
Outputs
Portable Device Dependent
-
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.2.170
Vulkan
N/A
-
CUDA
-
6.5
Shader Model
5.0
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