AMD Radeon HD 8670M vs AMD Radeon R5 M320

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 4GB VRAM Radeon R5 M320 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670M 's Advantages

Boost Clock has increased by 14% (975MHz vs 855MHz)

AMD Radeon R5 M320 's Advantages

Released 2 years and 2 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (16.00GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 8670M +14%

0.624 TFLOPS

Radeon R5 M320

0.547 TFLOPS

Radeon HD 8670M

VS

Radeon R5 M320

Graphics Card

Mar 2013

Release Date

May 2015

Solar System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

925 MHz

Base Clock

780 MHz

975 MHz

Boost Clock

855 MHz

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

5

Compute Units

5

320

Shading Units

320

20

TMUs

20

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

Theoretical Performance

7.800 GPixel/s

Pixel Rate

6.840 GPixel/s

19.50 GTexel/s

Texture Rate

17.10 GTexel/s

-

FP16 (half)

-

624.0 GFLOPS

FP32 (float)

547.2 GFLOPS

39.00 GFLOPS

FP64 (double)

34.20 GFLOPS

Graphics Processor

Sun

GPU Name

Jet

Sun S3 XT (216-0841009)

GPU Variant

Jet PRO (216-0856040)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

0.69 billion

56 mm²

Die Size

56 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1 (1.2)

1.2.170

Vulkan

1.2.170

-

CUDA

-

6.5 (5.1)

Shader Model

6.5 (5.1)

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