NVIDIA GeForce GTX 860M OEM vs NVIDIA GeForce 820A

VS

NVIDIA GeForce GTX 860M OEM

NVIDIA GeForce 820A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 860M OEM and 1024MB VRAM GeForce 820A 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 11 months late

Boost Clock1085MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (80.19GB/s vs 14.40GB/s)

544 additional rendering cores

NVIDIA GeForce 820A 's Advantages

Lower TDP (15W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 860M OEM +366%

1.389 TFLOPS

GeForce 820A

0.298 TFLOPS

GeForce GTX 860M OEM

VS

GeForce 820A

Graphics Card

Feb 2015

Release Date

Mar 2014

GeForce 800M

Generation

GeForce 800A

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

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

80.19GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

640

Shading Units

96

40

TMUs

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

17.36 GPixel/s

Pixel Rate

3.100 GPixel/s

43.40 GTexel/s

Texture Rate

12.40 GTexel/s

-

1389 GFLOPS

FP32 (float)

297.6 GFLOPS

43.40 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

75W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM107

GPU Name

GF117

N15P-GX-A1

GPU Variant

N15V-GM

Maxwell

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

0.585 billion

148 mm²

Die Size

116 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

2.1

5.1

Shader Model

5.1

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