Radeon E9172 MXM vs Radeon E8870
We compared two Mobile platform GPUs: 2GB VRAM Radeon E9172 MXM and 4GB VRAM Radeon E8870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon E9172 MXM Advantages
Released 2 years and 1 months late
Boost Clock1219MHz
Lower TDP (35W vs 75W)
Radeon E8870 Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (96.00GB/s vs 48.00GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon E9172 MXM
1248
Radeon E8870
+23%
1536
Graphics Card
Oct 2017
Release Date
Sep 2015
Embedded
Generation
Embedded
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
1124 MHz
Base Clock
-
1219 MHz
Boost Clock
-
1500 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
48.00GB/s
Bandwidth
96.00GB/s
Render Config
8
Compute Units
12
512
Shading Units
768
32
TMUs
48
16
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
19.50 GPixel/s
Pixel Rate
16.00 GPixel/s
39.01 GTexel/s
Texture Rate
48.00 GTexel/s
1248 GFLOPS
FP16 (half)
-
1248 GFLOPS
FP32 (float)
1.536 TFLOPS
78.02 GFLOPS
FP64 (double)
96.00 GFLOPS
Board Design
35W
TDP
75W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Lexa
GPU Name
Saturn
E9170
GPU Variant
Saturn PRO
GCN 4.0
Architecture
GCN 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
2.2 billion
Transistors
2.08 billion
103 mm²
Die Size
160 mm²
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.0
1.2
Vulkan
1.2
6.4
Shader Model
6.3
