NVIDIA GeForce GT 755M Mac Edition vs AMD Radeon HD 7870M

VS

NVIDIA GeForce GT 755M Mac Edition AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 755M Mac Edition 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 755M Mac Edition 's Advantages

Released 1 years and 7 months late

Larger VRAM bandwidth (80.00GB/s vs 64.00GB/s)

AMD Radeon HD 7870M 's Advantages

More VRAM (2GB vs 1GB)

256 additional rendering cores

Lower TDP (45W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GT 755M Mac Edition

0.833 TFLOPS

Radeon HD 7870M +22%

1.024 TFLOPS

GeForce GT 755M Mac Edition

VS

Radeon HD 7870M

Graphics Card

Nov 2013

Release Date

Apr 2012

GeForce 700M

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

Compute Units

10

384

Shading Units

640

32

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

8.680 GPixel/s

Pixel Rate

12.80 GPixel/s

34.72 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

-

833.3 GFLOPS

FP32 (float)

1024 GFLOPS

34.72 GFLOPS

FP64 (double)

64.00 GFLOPS

Graphics Processor

GK107

GPU Name

Heathrow

GT 755M

GPU Variant

Heathrow XT (216-0835033)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.5 billion

118 mm²

Die Size

123 mm²

Board Design

50W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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