Home GPU Comparison AMD Radeon HD 6670A vs AMD Radeon 540 Mobile

AMD Radeon HD 6670A vs AMD Radeon 540 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A and 2GB VRAM Radeon 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670A 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 48.00GB/s)
Lower TDP (45W vs 50W)
AMD Radeon 540 Mobile 's Advantages
Released 7 years and 11 months late
Boost Clock1124MHz
More VRAM (2GB vs 1024GB)
32 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6670A
0.576 TFLOPS
Radeon 540 Mobile +99%
1.151 TFLOPS
VS

Graphics Card

Apr 2011
Release Date
Mar 2019
All-In-One
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
1100 MHz
-
Boost Clock
1124 MHz
1000 MHz
Memory Clock
1500 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
64.00GB/s
Bandwidth
48.00GB/s

Render Config

6
Compute Units
8
-
-
-
480
Shading Units
512
24
TMUs
32
8
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

4.800 GPixel/s
Pixel Rate
17.98 GPixel/s
14.40 GTexel/s
Texture Rate
35.97 GTexel/s
-
FP16 (half)
1151 GFLOPS
576.0 GFLOPS
FP32 (float)
1151 GFLOPS
-
FP64 (double)
71.94 GFLOPS

Board Design

45W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

Turks
GPU Name
Lexa
Turks XT (215-0803000)
GPU Variant
Lexa PRO (215-0904018)
TeraScale 2
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
0.716 billion
Transistors
2.2 billion
118 mm²
Die Size
103 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.2
-
-
-
5.0
Shader Model
6.4

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