AMD Radeon HD 6990M Rebrand vs AMD Radeon HD 6470M

VS

AMD Radeon HD 6990M Rebrand AMD Radeon HD 6470M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 512MB VRAM Radeon HD 6470M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Released 6 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (70.40GB/s vs 12.80GB/s)

640 additional rendering cores

AMD Radeon HD 6470M 's Advantages

Lower TDP (25W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +471%

1.28 TFLOPS

Radeon HD 6470M

0.224 TFLOPS

Radeon HD 6990M Rebrand

VS

Radeon HD 6470M

Graphics Card

Jul 2011

Release Date

Jan 2011

Vancouver

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1100 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

14

Compute Units

2

800

Shading Units

160

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

2.800 GPixel/s

32.00 GTexel/s

Texture Rate

5.600 GTexel/s

-

FP16 (half)

-

1280 GFLOPS

FP32 (float)

224.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Broadway

GPU Name

Seymour

Broadway XTX

GPU Variant

Seymour XT (216-0810084)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.37 billion

166 mm²

Die Size

67 mm²

Board Design

100W

TDP

25W

-

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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