Radeon HD 7670M Rebrand vs Radeon E9171 MCM
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7670M Rebrand and 4GB VRAM Radeon E9171 MCM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7670M Rebrand Advantages
Lower TDP (20W vs 40W)
Radeon E9171 MCM Advantages
Released 5 years and 3 months late
Boost Clock1219MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (96.00GB/s vs 28.80GB/s)
32 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7670M Rebrand
576
Radeon E9171 MCM
+116%
1248
Graphics Card
Jul 2012
Release Date
Oct 2017
London
Generation
Embedded
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1124 MHz
-
Boost Clock
1219 MHz
900 MHz
Memory Clock
1500 MHz
Memory
1024MB
Memory Size
4GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
28.80GB/s
Bandwidth
96.00GB/s
Render Config
6
Compute Units
8
480
Shading Units
512
24
TMUs
32
16
ROPs
16
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
9.600 GPixel/s
Pixel Rate
19.50 GPixel/s
14.40 GTexel/s
Texture Rate
39.01 GTexel/s
-
FP16 (half)
1248 GFLOPS
576.0 GFLOPS
FP32 (float)
1248 GFLOPS
-
FP64 (double)
78.02 GFLOPS
Board Design
20W
TDP
40W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
Whistler
GPU Name
Lexa
Whistler XT
(216-0810001)
(216-0810001)
GPU Variant
Lexa MCM Pro
TeraScale 2
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
0.716 billion
Transistors
2.2 billion
104 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
