ATI Mobility Radeon HD 4670 Mac Edition vs NVIDIA GeForce 800A

VS

ATI Mobility Radeon HD 4670 Mac Edition

NVIDIA GeForce 800A

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 1024MB VRAM GeForce 800A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Larger VRAM bandwidth (25.28GB/s vs 14.40GB/s)

272 additional rendering cores

NVIDIA GeForce 800A 's Advantages

Released 4 years and 6 months late

More VRAM (1024GB vs 256GB)

Lower TDP (15W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition +378%

0.435 TFLOPS

GeForce 800A

0.091 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

GeForce 800A

Graphics Card

Sep 2009

Release Date

Mar 2014

M9x

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

790 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.28GB/s

Bandwidth

14.40GB/s

Render Config

4

Compute Units

-

SM Count

1

320

Shading Units

48

32

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

950.0 MPixel/s

21.76 GTexel/s

Texture Rate

3.800 GTexel/s

-

435.2 GFLOPS

FP32 (float)

91.20 GFLOPS

-

FP64 (double)

7.600 GFLOPS

Board Design

35W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

GF119

M96 XT (216-0729051)

GPU Variant

-

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

0.292 billion

146 mm²

Die Size

79 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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