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GPU Comparison
AMD Radeon E9175 PCIe vs AMD Radeon HD 7870M
AMD Radeon E9175 PCIe vs AMD Radeon HD 7870M
VS
AMD Radeon E9175 PCIe
AMD Radeon HD 7870M
We compared two Mobile platform GPUs: 4GB VRAM Radeon E9175 PCIe and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon E9175 PCIe 's Advantages
Released 5 years and 6 months late
Boost Clock1219MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)
AMD Radeon HD 7870M 's Advantages
128 additional rendering cores
Lower TDP (45W vs 50W)
Score
Benchmark
FP32 (float)
Radeon E9175 PCIe
+21%
1.248 TFLOPS
Radeon HD 7870M
1.024 TFLOPS
Radeon E9175 PCIe
VS
Radeon HD 7870M
Graphics Card
Oct 2017
Release Date
Apr 2012
Embedded
Generation
London
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1124 MHz
Base Clock
-
1219 MHz
Boost Clock
-
1500 MHz
Memory Clock
1000 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
96.00GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
8
Compute Units
10
512
Shading Units
640
32
TMUs
40
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
19.50 GPixel/s
Pixel Rate
12.80 GPixel/s
39.01 GTexel/s
Texture Rate
32.00 GTexel/s
1248 GFLOPS
FP16 (half)
-
1248 GFLOPS
FP32 (float)
1024 GFLOPS
78.02 GFLOPS
FP64 (double)
64.00 GFLOPS
Graphics Processor
Lexa
GPU Name
Heathrow
E9170
GPU Variant
Heathrow XT (216-0835033)
GCN 4.0
Architecture
GCN 1.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
2.2 billion
Transistors
1.5 billion
103 mm²
Die Size
123 mm²
Board Design
50W
TDP
45W
-
Suggested PSU
-
5x mini-DisplayPort 1.4a
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
6.4
Shader Model
5.1
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