Home GPU Comparison NVIDIA GeForce GTX 860M OEM vs ATI Mobility Radeon HD 3870

NVIDIA GeForce GTX 860M OEM vs ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 860M OEM and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 860M OEM 's Advantages
Released 6 years and 8 months late
Boost Clock1085MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (80.19GB/s vs 54.40GB/s)
320 additional rendering cores
ATI Mobility Radeon HD 3870 's Advantages
Lower TDP (55W vs 75W)

Score

Benchmark

FP32 (float)
GeForce GTX 860M OEM +229%
1.389 TFLOPS
Mobility Radeon HD 3870
0.422 TFLOPS
VS

Graphics Card

Feb 2015
Release Date
Jun 2008
GeForce 800M
Generation
M8x
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16

Clock Speeds

1020 MHz
Base Clock
-
1085 MHz
Boost Clock
-
1253 MHz
Memory Clock
850 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
256bit
80.19GB/s
Bandwidth
54.40GB/s

Render Config

-
Compute Units
4
-
-
-
640
Shading Units
320
40
TMUs
16
16
ROPs
16
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
-
2 MB
L2 Cache
256 KB
-
-
-

Theoretical Performance

17.36 GPixel/s
Pixel Rate
10.56 GPixel/s
43.40 GTexel/s
Texture Rate
10.56 GTexel/s
-
-
-
1389 GFLOPS
FP32 (float)
422.4 GFLOPS
43.40 GFLOPS
FP64 (double)
84.48 GFLOPS

Board Design

75W
TDP
55W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

GM107
GPU Name
M88
N15P-GX-A1
GPU Variant
-
Maxwell
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
1.87 billion
Transistors
0.666 billion
148 mm²
Die Size
192 mm²

Graphics Features

12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
N/A
1.3
Vulkan
N/A
5.0
CUDA
-
5.1
Shader Model
4.1

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