Home GPU Comparison AMD Radeon E8870 vs AMD Radeon HD 8670A

AMD Radeon E8870 vs AMD Radeon HD 8670A

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages
Released 2 years and 7 months late
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (96.00GB/s vs 16.00GB/s)
384 additional rendering cores
AMD Radeon HD 8670A 's Advantages
Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)
Radeon E8870 +233%
1.536 TFLOPS
Radeon HD 8670A
0.461 TFLOPS
VS

Graphics Card

Sep 2015
Release Date
Feb 2013
Embedded
Generation
All-In-One
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-A (3.0)

Clock Speeds

-
-
-
-
-
-
1500 MHz
Memory Clock
1000 MHz

Memory

4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
96.00GB/s
Bandwidth
16.00GB/s

Render Config

12
Compute Units
6
-
-
-
768
Shading Units
384
48
TMUs
24
16
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

16.00 GPixel/s
Pixel Rate
4.800 GPixel/s
48.00 GTexel/s
Texture Rate
14.40 GTexel/s
-
-
-
1.536 TFLOPS
FP32 (float)
460.8 GFLOPS
96.00 GFLOPS
FP64 (double)
28.80 GFLOPS

Board Design

75W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

Saturn
GPU Name
Mars
Saturn PRO
GPU Variant
Mars XT
GCN 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.08 billion
Transistors
0.95 billion
160 mm²
Die Size
77 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.0
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
6.3
Shader Model
5.1

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