AMD Radeon HD 8670A vs NVIDIA GeForce GTX 980MX

VS

AMD Radeon HD 8670A

NVIDIA GeForce GTX 980MX

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 8GB VRAM GeForce GTX 980MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 148W)

NVIDIA GeForce GTX 980MX 's Advantages

Released 3 years and 4 months late

Boost Clock1178MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (192.0GB/s vs 16.00GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

GeForce GTX 980MX +750%

3.92 TFLOPS

Radeon HD 8670A

VS

GeForce GTX 980MX

Graphics Card

Feb 2013

Release Date

Jun 2016

All-In-One

Generation

GeForce 900M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1050 MHz

-

Boost Clock

1178 MHz

1000 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

192.0GB/s

Render Config

6

Compute Units

-

384

Shading Units

1664

24

TMUs

104

8

ROPs

64

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

75.39 GPixel/s

14.40 GTexel/s

Texture Rate

122.5 GTexel/s

-

460.8 GFLOPS

FP32 (float)

3.920 TFLOPS

28.80 GFLOPS

FP64 (double)

122.5 GFLOPS

Board Design

45W

TDP

148W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

GM204

Mars XT

GPU Variant

N16E-GXX-A1

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

5.2 billion

77 mm²

Die Size

398 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

5.1

Shader Model

6.4

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