AMD Radeon HD 8970M vs AMD Radeon HD 7670M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 1024MB VRAM Radeon HD 7670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970M 's Advantages

Released 1 years and 3 months late

Boost Clock900MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)

800 additional rendering cores

AMD Radeon HD 7670M 's Advantages

Lower TDP (20W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8970M +300%

2.304 TFLOPS

Radeon HD 7670M

0.576 TFLOPS

Radeon HD 8970M

VS

Radeon HD 7670M

Graphics Card

May 2013

Release Date

Feb 2012

Solar System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

20

Compute Units

6

1280

Shading Units

480

80

TMUs

24

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

9.600 GPixel/s

72.00 GTexel/s

Texture Rate

14.40 GTexel/s

-

FP16 (half)

-

2.304 TFLOPS

FP32 (float)

576.0 GFLOPS

144.0 GFLOPS

FP64 (double)

-

Graphics Processor

Neptune

GPU Name

Thames

Neptune XT (216-0847000)

GPU Variant

Thames XT (216-0833000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.716 billion

212 mm²

Die Size

104 mm²

Board Design

100W

TDP

20W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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