NVIDIA GeForce GTX 460M vs NVIDIA GeForce GT 820M

VS

NVIDIA GeForce GTX 460M

NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 1536MB VRAM GeForce GTX 460M 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 GTX 460M 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (60.00GB/s vs 14.40GB/s)

96 additional rendering cores

NVIDIA GeForce GT 820M 's Advantages

Released 3 years and 2 months late

Lower TDP (15W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GTX 460M +73%

0.518 TFLOPS

GeForce GT 820M

0.298 TFLOPS

GeForce GTX 460M

VS

GeForce GT 820M

Graphics Card

Sep 2010

Release Date

Nov 2013

GeForce 400M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

625 MHz

Memory Clock

900 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

60.00GB/s

Bandwidth

14.40GB/s

Render Config

-

4

SM Count

2

192

Shading Units

96

32

TMUs

16

24

ROPs

8

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

128 KB

-

Theoretical Performance

5.400 GPixel/s

Pixel Rate

3.100 GPixel/s

21.60 GTexel/s

Texture Rate

12.40 GTexel/s

-

518.4 GFLOPS

FP32 (float)

297.6 GFLOPS

43.20 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

50W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF106

GPU Name

GF117

N11E-GS-A1

GPU Variant

N15V-GM

Fermi

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

0.585 billion

238 mm²

Die Size

116 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

2.1

5.1

Shader Model

5.1

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