NVIDIA GeForce GT 650M vs AMD Radeon HD 7870M

VS

NVIDIA GeForce GT 650M

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 650M 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 650M 's Advantages

Boost Clock950MHz

AMD Radeon HD 7870M 's Advantages

More VRAM (2GB vs 1024GB)

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

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M

0.73 TFLOPS

Radeon HD 7870M +40%

1.024 TFLOPS

GeForce GT 650M

VS

Radeon HD 7870M

Graphics Card

Mar 2012

Release Date

Apr 2012

GeForce 600M

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

835 MHz

Base Clock

-

950 MHz

Boost Clock

-

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

-

384

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.600 GPixel/s

Pixel Rate

12.80 GPixel/s

30.40 GTexel/s

Texture Rate

32.00 GTexel/s

-

729.6 GFLOPS

FP32 (float)

1024 GFLOPS

30.40 GFLOPS

FP64 (double)

64.00 GFLOPS

Board Design

45W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

Heathrow

N13P-GT-A2

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

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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