AMD Radeon HD 6990M vs AMD Radeon HD 7730M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 2GB VRAM Radeon HD 7730M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)

608 additional rendering cores

AMD Radeon HD 7730M 's Advantages

Released 9 months late

Boost Clock675MHz

Lower TDP (25W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +131%

1.602 TFLOPS

Radeon HD 7730M

0.691 TFLOPS

Radeon HD 6990M

VS

Radeon HD 7730M

Graphics Card

Jul 2011

Release Date

Apr 2012

Vancouver

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

575 MHz

-

Boost Clock

675 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

14

Compute Units

8

1120

Shading Units

512

56

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

10.80 GPixel/s

40.04 GTexel/s

Texture Rate

21.60 GTexel/s

-

FP16 (half)

-

1.602 TFLOPS

FP32 (float)

691.2 GFLOPS

-

FP64 (double)

43.20 GFLOPS

Graphics Processor

Blackcomb

GPU Name

Chelsea

Blackcomb XTX (216-0811030)

GPU Variant

Chelsea LE (216-0834065)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.5 billion

212 mm²

Die Size

123 mm²

Board Design

100W

TDP

25W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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