AMD Radeon Pro 455 vs AMD Radeon HD 8870M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 2GB VRAM Radeon HD 8870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 455 's Advantages

Released 3 years and 6 months late

Larger VRAM bandwidth (81.28GB/s vs 72.00GB/s)

128 additional rendering cores

AMD Radeon HD 8870M 's Advantages

Boost Clock775MHz

Score

Benchmark

FP32 (float)

Radeon Pro 455 +32%

1.313 TFLOPS

Radeon HD 8870M

0.992 TFLOPS

Radeon Pro 455

VS

Radeon HD 8870M

Graphics Card

Oct 2016

Release Date

Apr 2013

Radeon Pro Mac

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

725 MHz

-

Boost Clock

775 MHz

1270 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

81.28GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

12

Compute Units

10

768

Shading Units

640

48

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

13.68 GPixel/s

Pixel Rate

12.40 GPixel/s

41.04 GTexel/s

Texture Rate

31.00 GTexel/s

1313 GFLOPS

FP16 (half)

-

1313 GFLOPS

FP32 (float)

992.0 GFLOPS

82.08 GFLOPS

FP64 (double)

62.00 GFLOPS

Graphics Processor

Baffin

GPU Name

Venus

Baffin PRO

GPU Variant

Venus XT (216-0846000)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

1.5 billion

123 mm²

Die Size

123 mm²

Board Design

35W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5 (5.1)

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