AMD Radeon Pro 450 vs ATI Mobility Radeon HD 3870 X2

VS

AMD Radeon Pro 450

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 450 and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 450 's Advantages

Released 8 years and 1 months late

More VRAM (2GB vs 512GB)

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

320 additional rendering cores

Lower TDP (35W vs 110W)

Score

Benchmark

FP32 (float)

Radeon Pro 450 +142%

1.024 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

Radeon Pro 450

VS

Mobility Radeon HD 3870 X2

Graphics Card

Oct 2016

Release Date

Sep 2008

Radeon Pro Mac

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1270 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

81.28GB/s

Bandwidth

54.40GB/s

Render Config

10

Compute Units

4

-

640

Shading Units

320

40

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

10.56 GPixel/s

32.00 GTexel/s

Texture Rate

10.56 GTexel/s

1024 GFLOPS

FP16 (half)

-

1024 GFLOPS

FP32 (float)

422.4 GFLOPS

64.00 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

35W

TDP

110W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Baffin

GPU Name

M88

Baffin LE

GPU Variant

-

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

3 billion

Transistors

0.666 billion

123 mm²

Die Size

192 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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