AMD Radeon HD 7730M vs NVIDIA GeForce 820A

VS

AMD Radeon HD 7730M

NVIDIA GeForce 820A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 1024MB VRAM GeForce 820A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7730M 's Advantages

Boost Clock675MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

416 additional rendering cores

NVIDIA GeForce 820A 's Advantages

Released 1 years and 11 months late

Lower TDP (15W vs 25W)

Score

Benchmark

FP32 (float)

Radeon HD 7730M +131%

0.691 TFLOPS

GeForce 820A

0.298 TFLOPS

Radeon HD 7730M

VS

GeForce 820A

Graphics Card

Apr 2012

Release Date

Mar 2014

London

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

575 MHz

Base Clock

-

675 MHz

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

8

Compute Units

-

SM Count

2

512

Shading Units

96

32

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

3.100 GPixel/s

21.60 GTexel/s

Texture Rate

12.40 GTexel/s

-

691.2 GFLOPS

FP32 (float)

297.6 GFLOPS

43.20 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

25W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Chelsea

GPU Name

GF117

Chelsea LE (216-0834065)

GPU Variant

N15V-GM

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

0.585 billion

123 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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