ATI Mobility Radeon HD 5870 vs NVIDIA GeForce 820A

VS

ATI Mobility Radeon HD 5870

NVIDIA GeForce 820A

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 and 1024MB VRAM GeForce 820A 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 14.40GB/s)

704 additional rendering cores

NVIDIA GeForce 820A 's Advantages

Released 4 years and 2 months late

Lower TDP (15W vs 50W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870 +275%

1.12 TFLOPS

GeForce 820A

0.298 TFLOPS

Mobility Radeon HD 5870

VS

GeForce 820A

Graphics Card

Jan 2010

Release Date

Mar 2014

Manhattan

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

14.40GB/s

Render Config

10

Compute Units

-

SM Count

2

800

Shading Units

96

40

TMUs

16

ROPs

8

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

3.100 GPixel/s

28.00 GTexel/s

Texture Rate

12.40 GTexel/s

-

1120 GFLOPS

FP32 (float)

297.6 GFLOPS

-

FP64 (double)

24.80 GFLOPS

Board Design

50W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

GF117

Broadway XT (216-0769008)

GPU Variant

N15V-GM

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

0.585 billion

166 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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