AMD Radeon HD 8670M vs AMD Radeon Pro 455

VS

AMD Radeon HD 8670M

AMD Radeon Pro 455

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 2GB VRAM Radeon Pro 455 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670M 's Advantages

Boost Clock975MHz

AMD Radeon Pro 455 's Advantages

Released 3 years and 7 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (81.28GB/s vs 14.40GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

Radeon Pro 455 +110%

1.313 TFLOPS

Radeon HD 8670M

VS

Radeon Pro 455

Graphics Card

Mar 2013

Release Date

Oct 2016

Solar System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

900 MHz

Memory Clock

1270 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

81.28GB/s

Render Config

5

Compute Units

12

-

320

Shading Units

768

20

TMUs

48

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

13.68 GPixel/s

19.50 GTexel/s

Texture Rate

41.04 GTexel/s

-

FP16 (half)

1313 GFLOPS

624.0 GFLOPS

FP32 (float)

1313 GFLOPS

39.00 GFLOPS

FP64 (double)

82.08 GFLOPS

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

Baffin

Sun S3 XT (216-0841009)

GPU Variant

Baffin PRO

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.69 billion

Transistors

3 billion

56 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.4

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