AMD Radeon HD 6990M: GPU Specs & Benchmarks

The Radeon HD 6990M is a graphics card by AMD, built on the 40 nm process and based on the Blackcomb graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

Blackcomb

Model number

Blackcomb XTX
(216-0811030)

Architecture

TeraScale 2

Foundry

TSMC

Process Size

40 nm

Transistors

1,700 million

Die Size

212 mm²

Graphics Card

Release Date

Jul 12th, 2011

Family

Vancouver
(HD 6900M)

Production

End-of-life

Predecessor

Manhattan

Bus Interface

MXM-B (3.0)

Memory

Memory Size

2 GB

Memory Type

GDDR5

Memory Bus

256 bit

Bandwidth

115.2 GB/s

Performance

Pixel fillrate

22.88 GPixel/s

Texture fillrate

40.04 GTexel/s

FP32 (float) performance

1.602 TFLOPS

Clock Speeds

Memory Clock

900 MHz
3.6 Gbps effective

GPU Clock

715 MHz

Render Config

Shading Units

1120

TMUs

56

ROPs

32

Compute Units

14

L1 Cache

8 KB (per CU)

L2 Cache

512 KB

Board Design

Slot Width

MXM Module

Thermal design power (TDP)

100 W

Display Connectors

No outputs

Power Connectors

None

Board Number

C296

API support

DirectX

11.2 (11_0)

OpenGL

4.4

OpenCL

1.2

Vulkan

N/A

Shader Model

5.0