AMD Radeon HD 8670M vs NVIDIA GeForce GTX 970M

VS

AMD Radeon HD 8670M

NVIDIA GeForce GTX 970M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 3GB VRAM GeForce GTX 970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970M 's Advantages

Released 1 years and 7 months late

Boost Clock has increased by 6% (1038MHz vs 975MHz)

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (120.3GB/s vs 14.40GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

GeForce GTX 970M +325%

2.657 TFLOPS

Radeon HD 8670M

VS

GeForce GTX 970M

Graphics Card

Mar 2013

Release Date

Oct 2014

Solar System

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

925 MHz

Base Clock

924 MHz

975 MHz

Boost Clock

1038 MHz

900 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

3GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

192bit

14.40GB/s

Bandwidth

120.3GB/s

Render Config

5

Compute Units

-

320

Shading Units

1280

20

TMUs

80

8

ROPs

48

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

128 KB

L2 Cache

1536 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

49.82 GPixel/s

19.50 GTexel/s

Texture Rate

83.04 GTexel/s

-

624.0 GFLOPS

FP32 (float)

2.657 TFLOPS

39.00 GFLOPS

FP64 (double)

83.04 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

GM204

Sun S3 XT (216-0841009)

GPU Variant

N16E-GT-A2

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

5.2 billion

56 mm²

Die Size

398 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

5.2

6.5 (5.1)

Shader Model

6.7 (6.4)

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