NVIDIA GeForce 820M vs AMD Radeon HD 6770M Mac Edition

VS

NVIDIA GeForce 820M

AMD Radeon HD 6770M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 512MB VRAM Radeon HD 6770M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 820M 's Advantages

Released 4 years and 2 months late

More VRAM (2GB vs 512GB)

AMD Radeon HD 6770M Mac Edition 's Advantages

Larger VRAM bandwidth (57.60GB/s vs 28.83GB/s)

96 additional rendering cores

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

GeForce 820M

0.622 TFLOPS

Radeon HD 6770M Mac Edition +11%

0.696 TFLOPS

GeForce 820M

VS

Radeon HD 6770M Mac Edition

Graphics Card

Mar 2015

Release Date

Jan 2011

GeForce 800M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

901 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.83GB/s

Bandwidth

57.60GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

480

32

TMUs

24

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.480 GPixel/s

Pixel Rate

5.800 GPixel/s

25.92 GTexel/s

Texture Rate

17.40 GTexel/s

-

622.1 GFLOPS

FP32 (float)

696.0 GFLOPS

25.92 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

Whistler

-

GPU Variant

Whistler XT (216-0810001)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.716 billion

118 mm²

Die Size

104 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

Related GPU Comparisons

1

NVIDIA GeForce 820M vs NVIDIA GeForce 9300M GS

2

NVIDIA GeForce 820M vs AMD Radeon E9560 PCIe

3

NVIDIA GeForce 820M vs NVIDIA GeForce RTX 3050 Max-Q Refresh 4 GB

4

NVIDIA GeForce 820M vs AMD Radeon R7 M350 2GB

5

NVIDIA GeForce 820M vs AMD Radeon R7 M265

6

NVIDIA GeForce 820M vs AMD Radeon R7 A360

7

NVIDIA GeForce 820M vs NVIDIA GeForce RTX 2060 Max Q

8

NVIDIA GeForce 820M vs NVIDIA GeForce GTX 675MX Mac Edition

9

NVIDIA GeForce 820M vs AMD Radeon E6760 PCIe

10

NVIDIA GeForce 820M vs NVIDIA GeForce GT 230M

Related News

1

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

2

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

3

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

4

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

5

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

6

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

7

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

8

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early