AMD Radeon HD 7870M vs NVIDIA GeForce GT 650M Mac Edition

VS

AMD Radeon HD 7870M NVIDIA GeForce GT 650M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7870M and 512MB VRAM GeForce GT 650M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870M 's Advantages

256 additional rendering cores

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Larger VRAM bandwidth (80.26GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7870M +48%

1.024 TFLOPS

GeForce GT 650M Mac Edition

0.691 TFLOPS

Radeon HD 7870M

VS

GeForce GT 650M Mac Edition

Graphics Card

Apr 2012

Release Date

Jul 2012

London

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

1254 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

80.26GB/s

Render Config

-

SM Count

-

10

Compute Units

-

640

Shading Units

384

40

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

7.200 GPixel/s

32.00 GTexel/s

Texture Rate

28.80 GTexel/s

-

FP16 (half)

-

1024 GFLOPS

FP32 (float)

691.2 GFLOPS

64.00 GFLOPS

FP64 (double)

28.80 GFLOPS

Graphics Processor

Heathrow

GPU Name

GK107

Heathrow XT (216-0835033)

GPU Variant

N13P-GT-W-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.27 billion

123 mm²

Die Size

118 mm²

Board Design

45W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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