ATI Mobility Radeon HD 3870 vs NVIDIA GeForce GTX 780M Mac Edition

VS

ATI Mobility Radeon HD 3870 NVIDIA GeForce GTX 780M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 4GB VRAM GeForce GTX 780M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 's Advantages

Lower TDP (55W vs 122W)

NVIDIA GeForce GTX 780M Mac Edition 's Advantages

Released 5 years and 5 months late

Boost Clock797MHz

Larger VRAM bandwidth (160.0GB/s vs 54.40GB/s)

1216 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

GeForce GTX 780M Mac Edition +480%

2.448 TFLOPS

Mobility Radeon HD 3870

VS

GeForce GTX 780M Mac Edition

Graphics Card

Jun 2008

Release Date

Nov 2013

M8x

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

771 MHz

-

Boost Clock

797 MHz

850 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

54.40GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

4

Compute Units

-

320

Shading Units

1536

16

TMUs

128

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

Theoretical Performance

10.56 GPixel/s

Pixel Rate

25.50 GPixel/s

10.56 GTexel/s

Texture Rate

102.0 GTexel/s

-

FP16 (half)

-

422.4 GFLOPS

FP32 (float)

2.448 TFLOPS

84.48 GFLOPS

FP64 (double)

102.0 GFLOPS

Graphics Processor

M88

GPU Name

GK104

-

GPU Variant

N14E-GTX-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

3.54 billion

192 mm²

Die Size

294 mm²

Board Design

55W

TDP

122W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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