ATI Mobility Radeon HD 3870 vs AMD Radeon Pro 460

VS

ATI Mobility Radeon HD 3870

AMD Radeon Pro 460

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 4GB VRAM Radeon Pro 460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 460 's Advantages

Released 8 years and 4 months late

Boost Clock907MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (81.28GB/s vs 54.40GB/s)

704 additional rendering cores

Lower TDP (35W vs 55W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon Pro 460 +340%

1.858 TFLOPS

Mobility Radeon HD 3870

VS

Radeon Pro 460

Graphics Card

Jun 2008

Release Date

Oct 2016

M8x

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

907 MHz

850 MHz

Memory Clock

1270 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

81.28GB/s

Render Config

4

Compute Units

16

-

320

Shading Units

1024

16

TMUs

64

16

ROPs

16

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

10.56 GPixel/s

Pixel Rate

14.51 GPixel/s

10.56 GTexel/s

Texture Rate

58.05 GTexel/s

-

FP16 (half)

1.858 TFLOPS

422.4 GFLOPS

FP32 (float)

1.858 TFLOPS

84.48 GFLOPS

FP64 (double)

116.1 GFLOPS

Board Design

55W

TDP

35W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M88

GPU Name

Baffin

-

GPU Variant

Baffin XT

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.666 billion

Transistors

3 billion

192 mm²

Die Size

123 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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