AMD Radeon HD 8670A vs NVIDIA GeForce GTX 480M

VS

AMD Radeon HD 8670A

NVIDIA GeForce GTX 480M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 2GB VRAM GeForce GTX 480M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

Released 2 years and 9 months late

32 additional rendering cores

Lower TDP (45W vs 100W)

NVIDIA GeForce GTX 480M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (76.80GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

GeForce GTX 480M +29%

0.598 TFLOPS

Radeon HD 8670A

VS

GeForce GTX 480M

Graphics Card

Feb 2013

Release Date

May 2010

All-In-One

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

76.80GB/s

Render Config

6

Compute Units

-

SM Count

11

384

Shading Units

352

24

TMUs

44

8

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

9.350 GPixel/s

14.40 GTexel/s

Texture Rate

18.70 GTexel/s

-

460.8 GFLOPS

FP32 (float)

598.4 GFLOPS

28.80 GFLOPS

FP64 (double)

74.80 GFLOPS

Board Design

45W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

GF100

Mars XT

GPU Variant

N11E-GTX-A3

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

3.1 billion

77 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.0

5.1

Shader Model

5.1

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