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GPU Comparison
NVIDIA GeForce RTX 4080 Max-Q vs AMD Radeon E8870
NVIDIA GeForce RTX 4080 Max-Q vs AMD Radeon E8870
VS
NVIDIA GeForce RTX 4080 Max-Q
AMD Radeon E8870
We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Max Q and 4GB VRAM Radeon E8870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4080 Max-Q 's Advantages
Released 7 years and 4 months late
Boost Clock1350MHz
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (336.0GB/s vs 96.00GB/s)
6656 additional rendering cores
Lower TDP (60W vs 75W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080 Max Q
+1204%
20.04 TFLOPS
Radeon E8870
1.536 TFLOPS
GeForce RTX 4080 Max Q
VS
Radeon E8870
Graphics Card
Jan 2023
Release Date
Sep 2015
GeForce 40 Mobile
Generation
Embedded
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
795 MHz
Base Clock
-
1350 MHz
Boost Clock
-
1750 MHz
Memory Clock
1500 MHz
Memory
12GB
Memory Size
4GB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
128bit
336.0GB/s
Bandwidth
96.00GB/s
Render Config
58
SM Count
-
-
Compute Units
12
7424
Shading Units
768
232
TMUs
48
80
ROPs
16
232
Tensor Cores
-
58
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
48 MB
L2 Cache
256 KB
Theoretical Performance
108.0 GPixel/s
Pixel Rate
16.00 GPixel/s
313.2 GTexel/s
Texture Rate
48.00 GTexel/s
20.04 TFLOPS
FP16 (half)
-
20.04 TFLOPS
FP32 (float)
1.536 TFLOPS
313.2 GFLOPS
FP64 (double)
96.00 GFLOPS
Graphics Processor
AD104
GPU Name
Saturn
GN21-X9
GPU Variant
Saturn PRO
Ada Lovelace
Architecture
GCN 2.0
TSMC
Foundry
TSMC
4 nm
Process Size
28 nm
35.8 billion
Transistors
2.08 billion
295 mm²
Die Size
160 mm²
Board Design
60W
TDP
75W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
8.9
CUDA
-
6.7
Shader Model
6.3
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10
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