AMD Radeon HD 7770M vs AMD Radeon HD 6830M

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7770M and 1024MB VRAM Radeon HD 6830M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770M 's Advantages

Released 1 years and 3 months late

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

Lower TDP (32W vs 39W)

AMD Radeon HD 6830M 's Advantages

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770M

0.691 TFLOPS

Radeon HD 6830M +33%

0.92 TFLOPS

Radeon HD 7770M

VS

Radeon HD 6830M

Graphics Card

Apr 2012

Release Date

Jan 2011

London

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

8

Compute Units

10

512

Shading Units

800

32

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

9.200 GPixel/s

21.60 GTexel/s

Texture Rate

23.00 GTexel/s

-

FP16 (half)

-

691.2 GFLOPS

FP32 (float)

920.0 GFLOPS

43.20 GFLOPS

FP64 (double)

-

Graphics Processor

Chelsea

GPU Name

Granville

Chelsea XT

GPU Variant

Granville LP

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.04 billion

123 mm²

Die Size

166 mm²

Board Design

32W

TDP

39W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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