AMD Radeon HD 6990M vs AMD Radeon HD 7430M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 1024MB VRAM Radeon HD 7430M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (115.2GB/s vs 12.80GB/s)

960 additional rendering cores

AMD Radeon HD 7430M 's Advantages

Released 6 months late

Lower TDP (7W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +734%

1.602 TFLOPS

Radeon HD 7430M

0.192 TFLOPS

Radeon HD 6990M

VS

Radeon HD 7430M

Graphics Card

Jul 2011

Release Date

Jan 2012

Vancouver

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

14

Compute Units

2

1120

Shading Units

160

56

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

2.400 GPixel/s

40.04 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

1.602 TFLOPS

FP32 (float)

192.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Blackcomb

GPU Name

Seymour

Blackcomb XTX (216-0811030)

GPU Variant

Seymour PRO

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.37 billion

212 mm²

Die Size

67 mm²

Board Design

100W

TDP

7W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

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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