ATI Mobility Radeon HD 5870 vs AMD Radeon HD 8770M

VS

ATI Mobility Radeon HD 5870 AMD Radeon HD 8770M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 and 2GB VRAM Radeon HD 8770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5870 's Advantages

416 additional rendering cores

AMD Radeon HD 8770M 's Advantages

Released 3 years and 3 months late

Boost Clock825MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (72.00GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870 +76%

1.12 TFLOPS

Radeon HD 8770M

0.633 TFLOPS

Mobility Radeon HD 5870

VS

Radeon HD 8770M

Graphics Card

Jan 2010

Release Date

Apr 2013

Manhattan

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

775 MHz

-

Boost Clock

825 MHz

1000 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

10

Compute Units

6

800

Shading Units

384

40

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

11.20 GPixel/s

Pixel Rate

6.600 GPixel/s

28.00 GTexel/s

Texture Rate

19.80 GTexel/s

-

FP16 (half)

-

1120 GFLOPS

FP32 (float)

633.6 GFLOPS

-

FP64 (double)

39.60 GFLOPS

Graphics Processor

Broadway

GPU Name

Mars

Broadway XT (216-0769008)

GPU Variant

Mars S3 XT (216-0842018)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

0.95 billion

166 mm²

Die Size

77 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

CUDA

-

5.0

Shader Model

6.5 (5.1)

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