NVIDIA GeForce GTX 670MX vs AMD Radeon HD 8950M

VS

NVIDIA GeForce GTX 670MX

AMD Radeon HD 8950M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 670MX and 2GB VRAM Radeon HD 8950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 670MX 's Advantages

More VRAM (3GB vs 2GB)

192 additional rendering cores

Lower TDP (75W vs 100W)

AMD Radeon HD 8950M 's Advantages

Released 7 months late

Larger VRAM bandwidth (88.00GB/s vs 67.20GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 670MX

1.154 TFLOPS

Radeon HD 8950M +43%

1.651 TFLOPS

GeForce GTX 670MX

VS

Radeon HD 8950M

Graphics Card

Oct 2012

Release Date

May 2013

GeForce 600M

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

700 MHz

Memory Clock

1375 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

67.20GB/s

Bandwidth

88.00GB/s

Render Config

-

Compute Units

12

-

960

Shading Units

768

80

TMUs

48

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

12.02 GPixel/s

Pixel Rate

17.20 GPixel/s

48.08 GTexel/s

Texture Rate

51.60 GTexel/s

-

1154 GFLOPS

FP32 (float)

1.651 TFLOPS

48.08 GFLOPS

FP64 (double)

103.2 GFLOPS

Board Design

75W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

Saturn

N13E-GR-A2

GPU Variant

Saturn XT

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.08 billion

294 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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