Home GPU Comparison AMD Radeon R9 M270X vs AMD Radeon HD 6670A

AMD Radeon R9 M270X vs AMD Radeon HD 6670A

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M270X and 1024MB VRAM Radeon HD 6670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M270X 's Advantages
Released 3 years and 10 months late
Boost Clock1000MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (88.00GB/s vs 64.00GB/s)
288 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R9 M270X +166%
1.536 TFLOPS
Radeon HD 6670A
0.576 TFLOPS
VS

Graphics Card

Feb 2015
Release Date
Apr 2011
Gem System
Generation
All-In-One
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)

Clock Speeds

900 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1375 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
88.00GB/s
Bandwidth
64.00GB/s

Render Config

12
Compute Units
6
-
-
-
768
Shading Units
480
48
TMUs
24
16
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 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)
576.0 GFLOPS
96.00 GFLOPS
FP64 (double)
-

Board Design

Unknown
TDP
45W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Saturn
GPU Name
Turks
Saturn PRO (216-0843044)
GPU Variant
Turks XT (215-0803000)
GCN 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.08 billion
Transistors
0.716 billion
160 mm²
Die Size
118 mm²

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
-
-
-
6.5
Shader Model
5.0

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