AMD Radeon E6460 vs AMD Radeon HD 7770M

VS

AMD Radeon E6460

AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 512MB VRAM Radeon E6460 and 1024MB VRAM Radeon HD 7770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E6460 's Advantages

Lower TDP (25W vs 32W)

AMD Radeon HD 7770M 's Advantages

Released 1 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E6460

0.192 TFLOPS

Radeon HD 7770M +259%

0.691 TFLOPS

Radeon E6460

VS

Radeon HD 7770M

Graphics Card

Apr 2011

Release Date

Apr 2012

Embedded

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

64.00GB/s

Render Config

2

Compute Units

8

-

160

Shading Units

512

8

TMUs

32

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

10.80 GPixel/s

4.800 GTexel/s

Texture Rate

21.60 GTexel/s

-

192.0 GFLOPS

FP32 (float)

691.2 GFLOPS

-

FP64 (double)

43.20 GFLOPS

Board Design

25W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Caicos

GPU Name

Chelsea

E6460

GPU Variant

Chelsea XT

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.5 billion

67 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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