NVIDIA GeForce 9800M GTX vs NVIDIA GeForce 820M

VS

NVIDIA GeForce 9800M GTX

NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 9800M GTX and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9800M GTX 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 28.83GB/s)

NVIDIA GeForce 820M 's Advantages

Released 6 years and 8 months late

More VRAM (2GB vs 1024GB)

272 additional rendering cores

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

GeForce 9800M GTX

0.28 TFLOPS

GeForce 820M +122%

0.622 TFLOPS

GeForce 9800M GTX

VS

GeForce 820M

Graphics Card

Jul 2008

Release Date

Mar 2015

GeForce 9M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

901 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

51.20GB/s

Bandwidth

28.83GB/s

Render Config

-

14

SM Count

-

112

Shading Units

384

56

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

6.480 GPixel/s

28.00 GTexel/s

Texture Rate

25.92 GTexel/s

-

280.0 GFLOPS

FP32 (float)

622.1 GFLOPS

-

FP64 (double)

25.92 GFLOPS

Board Design

75W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

G92

GPU Name

GK107

NB9E-GTX

GPU Variant

-

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.754 billion

Transistors

1.27 billion

324 mm²

Die Size

118 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

CUDA

3.0

4.0

Shader Model

5.1

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