AMD Radeon E6460 vs AMD Radeon HD 6990M Rebrand

VS

AMD Radeon E6460 AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 512MB VRAM Radeon E6460 and 1024MB VRAM Radeon HD 6990M Rebrand 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 100W)

AMD Radeon HD 6990M Rebrand 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (70.40GB/s vs 25.60GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E6460

0.192 TFLOPS

Radeon HD 6990M Rebrand +566%

1.28 TFLOPS

Radeon E6460

VS

Radeon HD 6990M Rebrand

Graphics Card

Apr 2011

Release Date

Jul 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1100 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

70.40GB/s

Render Config

-

SM Count

-

2

Compute Units

14

160

Shading Units

800

8

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

2.400 GPixel/s

Pixel Rate

12.80 GPixel/s

4.800 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

-

192.0 GFLOPS

FP32 (float)

1280 GFLOPS

-

FP64 (double)

-

Graphics Processor

Caicos

GPU Name

Broadway

E6460

GPU Variant

Broadway XTX

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

1.04 billion

67 mm²

Die Size

166 mm²

Board Design

25W

TDP

100W

-

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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