NVIDIA GeForce 845M vs NVIDIA GeForce 805A

VS

We compared two Mobile platform GPUs: 2GB VRAM GeForce 845M and 1024MB VRAM GeForce 805A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 845M 's Advantages

Released 1 years and 1 months late

Boost Clock has increased by 55% (1176MHz vs 758MHz)

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (40.10GB/s vs 16.02GB/s)

192 additional rendering cores

NVIDIA GeForce 805A 's Advantages

Lower TDP (15W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 845M +210%

0.903 TFLOPS

GeForce 805A

0.291 TFLOPS

GeForce 845M

VS

GeForce 805A

Graphics Card

Aug 2015

Release Date

Jul 2014

GeForce 800M

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1071 MHz

Base Clock

719 MHz

1176 MHz

Boost Clock

758 MHz

1253 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

40.10GB/s

Bandwidth

16.02GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

192

32

TMUs

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

Theoretical Performance

18.82 GPixel/s

Pixel Rate

6.064 GPixel/s

37.63 GTexel/s

Texture Rate

12.13 GTexel/s

-

FP16 (half)

-

903.2 GFLOPS

FP32 (float)

291.1 GFLOPS

28.22 GFLOPS

FP64 (double)

12.13 GFLOPS

Graphics Processor

GM108

GPU Name

GK208

-

GPU Variant

-

Maxwell

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

1.02 billion

Unknown

Die Size

87 mm²

Board Design

33W

TDP

15W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.5

5.1

Shader Model

5.1

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