NVIDIA GeForce GTX 870M vs NVIDIA GeForce 820M

VS

NVIDIA GeForce GTX 870M

NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 870M 's Advantages

Boost Clock967MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (120.0GB/s vs 28.83GB/s)

960 additional rendering cores

NVIDIA GeForce 820M 's Advantages

Released 1 years late

Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 870M +317%

2.599 TFLOPS

GeForce 820M

0.622 TFLOPS

GeForce GTX 870M

VS

GeForce 820M

Graphics Card

Mar 2014

Release Date

Mar 2015

GeForce 800M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

941 MHz

Base Clock

-

967 MHz

Boost Clock

-

1250 MHz

Memory Clock

901 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

128bit

120.0GB/s

Bandwidth

28.83GB/s

Render Config

-

1344

Shading Units

384

112

TMUs

32

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

27.08 GPixel/s

Pixel Rate

6.480 GPixel/s

108.3 GTexel/s

Texture Rate

25.92 GTexel/s

-

2.599 TFLOPS

FP32 (float)

622.1 GFLOPS

108.3 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

100W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

GK107

N15E-GT-A2

GPU Variant

-

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.27 billion

294 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.0

5.1

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce GTX 870M vs AMD Radeon Pro Vega 64

2

NVIDIA GeForce GTX 870M vs NVIDIA GeForce RTX 3050 Max-Q Refresh 4 GB

3

NVIDIA GeForce GTX 870M vs AMD Radeon Pro WX 7130 Mobile

4

NVIDIA GeForce GTX 870M vs NVIDIA RTX 2000 Mobile Ada Generation

5

NVIDIA GeForce GTX 870M vs AMD Radeon R9 A375

6

NVIDIA GeForce GTX 870M vs NVIDIA RTX 500 Mobile Ada Generation

7

NVIDIA GeForce GTX 870M vs NVIDIA GeForce 840A

8

NVIDIA GeForce GTX 870M vs AMD Radeon HD 6970M Mac Edition

9

NVIDIA GeForce GTX 870M vs NVIDIA GeForce GT 120M Mac Edition

10

NVIDIA GeForce GTX 870M vs AMD FirePro M5100

Related News

1

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

2

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

3

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

4

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

5

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

6

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

7

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

8

CXMT Reportedly Achieves 80% Yield in DDR5 Production

9

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

10

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market