AMD Radeon HD 7690M XT Rebrand vs AMD Radeon HD 6990M

VS

AMD Radeon HD 7690M XT Rebrand AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7690M XT Rebrand and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7690M XT Rebrand 's Advantages

Released 6 months late

Lower TDP (25W vs 100W)

AMD Radeon HD 6990M 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (115.2GB/s vs 51.20GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7690M XT Rebrand

0.696 TFLOPS

Radeon HD 6990M +130%

1.602 TFLOPS

Radeon HD 7690M XT Rebrand

VS

Radeon HD 6990M

Graphics Card

Jan 2012

Release Date

Jul 2011

London

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

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

51.20GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

6

Compute Units

14

480

Shading Units

1120

24

TMUs

56

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

5.800 GPixel/s

Pixel Rate

22.88 GPixel/s

17.40 GTexel/s

Texture Rate

40.04 GTexel/s

-

FP16 (half)

-

696.0 GFLOPS

FP32 (float)

1.602 TFLOPS

-

FP64 (double)

-

Graphics Processor

Whistler

GPU Name

Blackcomb

Whistler XTX

GPU Variant

Blackcomb XTX (216-0811030)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

1.7 billion

104 mm²

Die Size

212 mm²

Board Design

25W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

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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