Radeon HD 8400 IGP vs Radeon HD 7640G IGP
We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon HD 8400 IGP and 0System Shared VRAM Radeon HD 7640G IGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 8400 IGP 's Advantages
Released 1 years and 6 months late
Lower TDP (25W vs 35W)
Radeon HD 7640G IGP 's Advantages
Boost Clock655MHz
128 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 8400 IGP
154
Radeon HD 7640G IGP
+117%
335
Graphics Card
Nov 2013
Release Date
May 2012
Kabini
Generation
Trinity
Integrated
Type
Integrated
IGP
Bus Interface
IGP
Clock Speeds
-
Base Clock
496 MHz
-
Boost Clock
655 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
2
Compute Units
4
128
Shading Units
256
8
TMUs
16
4
ROPs
8
Theoretical Performance
2.400 GPixel/s
Pixel Rate
5.240 GPixel/s
4.800 GTexel/s
Texture Rate
10.48 GTexel/s
153.6 GFLOPS
FP32 (float)
335.4 GFLOPS
9.600 GFLOPS
FP64 (double)
-
Board Design
25W
TDP
35W
No outputs
Outputs
No outputs
Graphics Processor
Kalindi
GPU Name
Devastator Lite
GCN 2.0
Architecture
TeraScale 3
TSMC
Foundry
TSMC
28 nm
Process Size
32 nm
1.178 billion
Transistors
1.303 billion
110 mm²
Die Size
246 mm²
Graphics Features
12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.0
OpenCL
1.2
1.2
Vulkan
N/A
6.3
Shader Model
5.0
