NVIDIA GeForce GTX 670MX vs ATI Mobility Radeon HD 3870

VS

NVIDIA GeForce GTX 670MX ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 670MX and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 670MX 's Advantages

Released 4 years and 4 months late

Larger VRAM bandwidth (67.20GB/s vs 54.40GB/s)

640 additional rendering cores

ATI Mobility Radeon HD 3870 's Advantages

Lower TDP (55W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 670MX +173%

1.154 TFLOPS

Mobility Radeon HD 3870

0.422 TFLOPS

GeForce GTX 670MX

VS

Mobility Radeon HD 3870

Graphics Card

Oct 2012

Release Date

Jun 2008

GeForce 600M

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

700 MHz

Memory Clock

850 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

256bit

67.20GB/s

Bandwidth

54.40GB/s

Render Config

-

SM Count

-

Compute Units

4

960

Shading Units

320

80

TMUs

16

24

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

256 KB

Theoretical Performance

12.02 GPixel/s

Pixel Rate

10.56 GPixel/s

48.08 GTexel/s

Texture Rate

10.56 GTexel/s

-

FP16 (half)

-

1154 GFLOPS

FP32 (float)

422.4 GFLOPS

48.08 GFLOPS

FP64 (double)

84.48 GFLOPS

Graphics Processor

GK104

GPU Name

M88

N13E-GR-A2

GPU Variant

-

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.666 billion

294 mm²

Die Size

192 mm²

Board Design

75W

TDP

55W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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