ATI Mobility Radeon HD 3850 X2 vs NVIDIA GeForce 830A

VS

ATI Mobility Radeon HD 3850 X2

NVIDIA GeForce 830A

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3850 X2 and 2GB VRAM GeForce 830A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3850 X2 's Advantages

Larger VRAM bandwidth (48.00GB/s vs 14.40GB/s)

64 additional rendering cores

NVIDIA GeForce 830A 's Advantages

Released 6 years and 1 months late

Boost Clock1150MHz

More VRAM (2GB vs 512GB)

Lower TDP (33W vs 70W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3850 X2

0.371 TFLOPS

GeForce 830A +58%

0.589 TFLOPS

Mobility Radeon HD 3850 X2

VS

GeForce 830A

Graphics Card

Jun 2008

Release Date

Jul 2014

M8x

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1150 MHz

750 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

64bit

48.00GB/s

Bandwidth

14.40GB/s

Render Config

4

Compute Units

-

320

Shading Units

256

16

TMUs

16

ROPs

8

-

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

9.280 GPixel/s

Pixel Rate

9.200 GPixel/s

9.280 GTexel/s

Texture Rate

18.40 GTexel/s

-

371.2 GFLOPS

FP32 (float)

588.8 GFLOPS

74.24 GFLOPS

FP64 (double)

18.40 GFLOPS

Board Design

70W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M88

GPU Name

GM108

-

TeraScale

Architecture

Maxwell

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

Unknown

192 mm²

Die Size

Unknown

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

4.1

Shader Model

5.1

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