NVIDIA GeForce GT 550M vs AMD Radeon HD 7870M

VS

NVIDIA GeForce GT 550M

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 550M and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 550M 's Advantages

Lower TDP (35W vs 45W)

AMD Radeon HD 7870M 's Advantages

Released 1 years and 3 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

544 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 550M

0.284 TFLOPS

Radeon HD 7870M +260%

1.024 TFLOPS

GeForce GT 550M

VS

Radeon HD 7870M

Graphics Card

Jan 2011

Release Date

Apr 2012

GeForce 500M

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

2

SM Count

-

96

Shading Units

640

16

TMUs

40

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

2.960 GPixel/s

Pixel Rate

12.80 GPixel/s

11.84 GTexel/s

Texture Rate

32.00 GTexel/s

-

284.2 GFLOPS

FP32 (float)

1024 GFLOPS

23.68 GFLOPS

FP64 (double)

64.00 GFLOPS

Board Design

35W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

Heathrow

N12P-GT1-A1

GPU Variant

Heathrow XT (216-0835033)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

1.5 billion

116 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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