AMD Radeon Pro 450 vs ATI Mobility Radeon HD 4870 X2

VS

AMD Radeon Pro 450

ATI Mobility Radeon HD 4870 X2

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 450 and 1024MB VRAM Mobility Radeon HD 4870 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 7 years and 9 months late

More VRAM (2GB vs 1024GB)

ATI Mobility Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 81.28GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 450 +16%

1.024 TFLOPS

Mobility Radeon HD 4870 X2

0.88 TFLOPS

Radeon Pro 450

VS

Mobility Radeon HD 4870 X2

Graphics Card

Oct 2016

Release Date

Jan 2009

Radeon Pro Mac

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1270 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

81.28GB/s

Bandwidth

89.60GB/s

Render Config

10

Compute Units

10

-

640

Shading Units

800

40

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

8.800 GPixel/s

32.00 GTexel/s

Texture Rate

22.00 GTexel/s

1024 GFLOPS

FP16 (half)

-

1024 GFLOPS

FP32 (float)

880.0 GFLOPS

64.00 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Baffin

GPU Name

M98

Baffin LE

GPU Variant

M98 XT L2 (216-0732023)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

3 billion

Transistors

0.956 billion

123 mm²

Die Size

256 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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