NVIDIA GeForce 800A vs NVIDIA GeForce GT 320M

VS

NVIDIA GeForce 800A

NVIDIA GeForce GT 320M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 800A and 1024MB VRAM GeForce GT 320M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 800A 's Advantages

Released 4 years late

24 additional rendering cores

Lower TDP (15W vs 23W)

NVIDIA GeForce GT 320M 's Advantages

Larger VRAM bandwidth (25.28GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

GeForce 800A +71%

0.091 TFLOPS

GeForce GT 320M

0.053 TFLOPS

GeForce 800A

VS

GeForce GT 320M

Graphics Card

Mar 2014

Release Date

Mar 2010

GeForce 800A

Generation

GeForce 300M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

790 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

25.28GB/s

Render Config

-

1

SM Count

3

48

Shading Units

24

8

TMUs

8

4

ROPs

8

-

64 KB (per SM)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

950.0 MPixel/s

Pixel Rate

4.000 GPixel/s

3.800 GTexel/s

Texture Rate

4.000 GTexel/s

-

91.20 GFLOPS

FP32 (float)

52.80 GFLOPS

7.600 GFLOPS

FP64 (double)

-

Board Design

15W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF119

GPU Name

GT216

-

Fermi 2.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

0.486 billion

79 mm²

Die Size

100 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

1.2

5.1

Shader Model

4.1

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