ATI Mobility Radeon HD 5870 vs AMD Radeon HD 6770M

VS

ATI Mobility Radeon HD 5870 AMD Radeon HD 6770M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 and 1024MB VRAM Radeon HD 6770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5870 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 57.60GB/s)

320 additional rendering cores

AMD Radeon HD 6770M 's Advantages

Released 1 years late

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870 +60%

1.12 TFLOPS

Radeon HD 6770M

0.696 TFLOPS

Mobility Radeon HD 5870

VS

Radeon HD 6770M

Graphics Card

Jan 2010

Release Date

Jan 2011

Manhattan

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

57.60GB/s

Render Config

-

SM Count

-

10

Compute Units

6

800

Shading Units

480

40

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

11.20 GPixel/s

Pixel Rate

5.800 GPixel/s

28.00 GTexel/s

Texture Rate

17.40 GTexel/s

-

FP16 (half)

-

1120 GFLOPS

FP32 (float)

696.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Broadway

GPU Name

Whistler

Broadway XT (216-0769008)

GPU Variant

Whistler XT (216-0810001)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.716 billion

166 mm²

Die Size

104 mm²

Board Design

50W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

5.0

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