ATI Mobility Radeon HD 5870 vs NVIDIA GeForce 840A

VS

ATI Mobility Radeon HD 5870

NVIDIA GeForce 840A

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5870 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 16.02GB/s)

416 additional rendering cores

NVIDIA GeForce 840A 's Advantages

Released 4 years and 2 months late

Boost Clock1124MHz

More VRAM (2GB vs 1024GB)

Lower TDP (33W vs 50W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870 +29%

1.12 TFLOPS

GeForce 840A

0.863 TFLOPS

Mobility Radeon HD 5870

VS

GeForce 840A

Graphics Card

Jan 2010

Release Date

Mar 2014

Manhattan

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

1000 MHz

Memory Clock

1001 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

16.02GB/s

Render Config

10

Compute Units

-

800

Shading Units

384

40

TMUs

16

ROPs

8

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

8.992 GPixel/s

28.00 GTexel/s

Texture Rate

17.98 GTexel/s

-

1120 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

50W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

GM108

Broadway XT (216-0769008)

GPU Variant

-

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

Unknown

166 mm²

Die Size

Unknown

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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