Mobility Radeon HD 3870 vs GeForce GTX 980MX
We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 8GB VRAM GeForce GTX 980MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Mobility Radeon HD 3870 's Advantages
Lower TDP (55W vs 148W)
GeForce GTX 980MX 's Advantages
Released 8 years late
Boost Clock1178MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (192.0GB/s vs 54.40GB/s)
1344 additional rendering cores
Score
Benchmark
FP32 (float)
Mobility Radeon HD 3870
422
GeForce GTX 980MX
+828%
3920
Graphics Card
Jun 2008
Release Date
Jun 2016
M8x
Generation
GeForce 900M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1050 MHz
-
Boost Clock
1178 MHz
850 MHz
Memory Clock
1500 MHz
Memory
512MB
Memory Size
8GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
256bit
54.40GB/s
Bandwidth
192.0GB/s
Render Config
4
Compute Units
-
320
Shading Units
1664
16
TMUs
104
16
ROPs
64
-
L1 Cache
48 KB (per SMM)
256 KB
L2 Cache
2 MB
Theoretical Performance
10.56 GPixel/s
Pixel Rate
75.39 GPixel/s
10.56 GTexel/s
Texture Rate
122.5 GTexel/s
422.4 GFLOPS
FP32 (float)
3.920 TFLOPS
84.48 GFLOPS
FP64 (double)
122.5 GFLOPS
Board Design
55W
TDP
148W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
M88
GPU Name
GM204
-
GPU Variant
N16E-GXX-A1
TeraScale
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.666 billion
Transistors
5.2 billion
192 mm²
Die Size
398 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (12_1)
3.3
OpenGL
4.6
N/A
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
5.2
4.1
Shader Model
6.4