AMD Radeon HD 7770M vs AMD Radeon R7 M460

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7770M and 2GB VRAM Radeon R7 M460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 36.00GB/s)

128 additional rendering cores

AMD Radeon R7 M460 's Advantages

Released 4 years and 1 months late

Boost Clock1024MHz

More VRAM (2GB vs 1GB)

Score

Benchmark

FP32 (float)

Radeon HD 7770M

0.691 TFLOPS

Radeon R7 M460 +13%

0.786 TFLOPS

Radeon HD 7770M

VS

Radeon R7 M460

Graphics Card

Apr 2012

Release Date

May 2016

London

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

1024 MHz

1000 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

36.00GB/s

Render Config

-

SM Count

-

8

Compute Units

6

512

Shading Units

384

32

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

8.192 GPixel/s

21.60 GTexel/s

Texture Rate

24.58 GTexel/s

-

FP16 (half)

786.4 GFLOPS

691.2 GFLOPS

FP32 (float)

786.4 GFLOPS

43.20 GFLOPS

FP64 (double)

49.15 GFLOPS

Graphics Processor

Chelsea

GPU Name

Meso

Chelsea XT

GPU Variant

Meso XT (216-0864018)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.55 billion

123 mm²

Die Size

125 mm²

Board Design

32W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2.170

-

CUDA

-

5.1

Shader Model

6.5

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