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GPU Comparison
AMD Radeon HD 7970M vs AMD Radeon E9171 MCM
AMD Radeon HD 7970M vs AMD Radeon E9171 MCM
VS
AMD Radeon HD 7970M
AMD Radeon E9171 MCM
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 4GB VRAM Radeon E9171 MCM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7970M 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 96.00GB/s)
768 additional rendering cores
AMD Radeon E9171 MCM 's Advantages
Released 5 years and 6 months late
Boost Clock1219MHz
More VRAM (4GB vs 2GB)
Lower TDP (40W vs 100W)
Score
Benchmark
FP32 (float)
Radeon HD 7970M
+74%
2.176 TFLOPS
Radeon E9171 MCM
1.248 TFLOPS
Radeon HD 7970M
VS
Radeon E9171 MCM
Graphics Card
Apr 2012
Release Date
Oct 2017
London
Generation
Embedded
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1124 MHz
-
Boost Clock
1219 MHz
1200 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
96.00GB/s
Render Config
-
SM Count
-
20
Compute Units
8
1280
Shading Units
512
80
TMUs
32
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
27.20 GPixel/s
Pixel Rate
19.50 GPixel/s
68.00 GTexel/s
Texture Rate
39.01 GTexel/s
-
FP16 (half)
1248 GFLOPS
2.176 TFLOPS
FP32 (float)
1248 GFLOPS
136.0 GFLOPS
FP64 (double)
78.02 GFLOPS
Graphics Processor
Wimbledon
GPU Name
Lexa
Wimbledon XT (216-0836036)
GPU Variant
Lexa MCM Pro
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
2.8 billion
Transistors
2.2 billion
212 mm²
Die Size
103 mm²
Board Design
100W
TDP
40W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
6.4
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