NVIDIA GeForce 805A vs ATI Mobility Radeon HD 3850

VS

NVIDIA GeForce 805A

ATI Mobility Radeon HD 3850

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A and 512MB VRAM Mobility Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 805A 's Advantages

Released 6 years and 1 months late

Boost Clock758MHz

More VRAM (1024GB vs 512GB)

Lower TDP (15W vs 35W)

ATI Mobility Radeon HD 3850 's Advantages

Larger VRAM bandwidth (48.00GB/s vs 16.02GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 805A

0.291 TFLOPS

Mobility Radeon HD 3850 +27%

0.371 TFLOPS

GeForce 805A

VS

Mobility Radeon HD 3850

Graphics Card

Jul 2014

Release Date

Jun 2008

GeForce 800A

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

1001 MHz

Memory Clock

750 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

4

-

192

Shading Units

320

16

TMUs

16

8

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

6.064 GPixel/s

Pixel Rate

9.280 GPixel/s

12.13 GTexel/s

Texture Rate

9.280 GTexel/s

-

291.1 GFLOPS

FP32 (float)

371.2 GFLOPS

12.13 GFLOPS

FP64 (double)

74.24 GFLOPS

Board Design

15W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

M88

-

Kepler 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.02 billion

Transistors

0.666 billion

87 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.1

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