NVIDIA GeForce 8800M GTX vs NVIDIA GeForce GT 820M

VS

NVIDIA GeForce 8800M GTX

NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 512MB VRAM GeForce 8800M GTX and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800M GTX 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 14.40GB/s)

NVIDIA GeForce GT 820M 's Advantages

Released 6 years late

More VRAM (1024GB vs 512GB)

Lower TDP (15W vs 65W)

Score

Benchmark

FP32 (float)

GeForce 8800M GTX

0.24 TFLOPS

GeForce GT 820M +24%

0.298 TFLOPS

GeForce 8800M GTX

VS

GeForce GT 820M

Graphics Card

Nov 2007

Release Date

Nov 2013

GeForce 8M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-HE

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

64bit

51.20GB/s

Bandwidth

14.40GB/s

Render Config

-

12

SM Count

2

96

Shading Units

96

48

TMUs

16

ROPs

8

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

3.100 GPixel/s

24.00 GTexel/s

Texture Rate

12.40 GTexel/s

-

240.0 GFLOPS

FP32 (float)

297.6 GFLOPS

-

FP64 (double)

24.80 GFLOPS

Board Design

65W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

G92

GPU Name

GF117

NB8E-GTX-A2

GPU Variant

N15V-GM

Tesla

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.754 billion

Transistors

0.585 billion

324 mm²

Die Size

116 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

2.1

4.0

Shader Model

5.1

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