HD Graphics 400 vs Radeon R6 M255DX
We compared two Integrated graphics card GPUs: 0System Shared VRAM HD Graphics 400 and 0System Shared VRAM Radeon R6 M255DX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
HD Graphics 400 's Advantages
Released 6 months late
Radeon R6 M255DX 's Advantages
Boost Clock has increased by 57% (940MHz vs 600MHz)
288 additional rendering cores
Score
Benchmark
FP32 (float)
HD Graphics 400
115
Radeon R6 M255DX
+526%
721
Graphics Card
Apr 2015
Release Date
Oct 2014
HD Graphics-T
Generation
Gem System Hybrid
Integrated
Type
Integrated
Ring Bus
Bus Interface
IGP
Clock Speeds
320 MHz
Base Clock
925 MHz
600 MHz
Boost Clock
940 MHz
System Shared
Memory Clock
System Shared
Memory
System Shared
Memory Size
System Shared
System Shared
Memory Type
System Shared
System Shared
Memory Bus
System Shared
System Dependent
Bandwidth
System Dependent
Render Config
-
Compute Units
6
96
Shading Units
384
12
TMUs
24
2
ROPs
8
-
L1 Cache
16 KB (per CU)
-
L2 Cache
256 KB
Theoretical Performance
1.200 GPixel/s
Pixel Rate
7.520 GPixel/s
7.200 GTexel/s
Texture Rate
22.56 GTexel/s
-
FP16 (half)
721.9 GFLOPS
115.2 GFLOPS
FP32 (float)
721.9 GFLOPS
28.80 GFLOPS
FP64 (double)
45.12 GFLOPS
Board Design
6W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
Braswell GT1
GPU Name
Topaz
-
GPU Variant
Topaz PRO
(216-0858030)
Generation 8.0
Architecture
GCN 3.0
Intel
Foundry
TSMC
14 nm
Process Size
28 nm
Unknown
Transistors
1.55 billion
Unknown
Die Size
125 mm²
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.3
OpenGL
4.6
3.0
OpenCL
2.1
1.0
Vulkan
1.2.170
5.1
Shader Model
6.5
