AMD Radeon HD 6650M vs NVIDIA GeForce GT 820M

VS

AMD Radeon HD 6650M

NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650M and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6650M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

384 additional rendering cores

NVIDIA GeForce GT 820M 's Advantages

Released 2 years and 10 months late

Score

Benchmark

FP32 (float)

Radeon HD 6650M +93%

0.576 TFLOPS

GeForce GT 820M

0.298 TFLOPS

Radeon HD 6650M

VS

GeForce GT 820M

Graphics Card

Jan 2011

Release Date

Nov 2013

Vancouver

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

-

SM Count

2

480

Shading Units

96

24

TMUs

16

8

ROPs

8

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

3.100 GPixel/s

14.40 GTexel/s

Texture Rate

12.40 GTexel/s

-

576.0 GFLOPS

FP32 (float)

297.6 GFLOPS

-

FP64 (double)

24.80 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

GF117

Whistler LE (216-0810028)

GPU Variant

N15V-GM

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

0.585 billion

118 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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