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Dell HD 6990M

Graphics Processor
Blackcomb
Cores
1120
TMUs
56
ROPs
32
Memory Size
2 GB
Memory Type
GDDR5
Bus Width
256 bit
Front GPU Chip
GPU Chip
GPU

Graphics Processor

GPU Name
Blackcomb
GPU Variant
Blackcomb XTX
(216-0811030)
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
1,700 million
Density
8.0M / mm²
Die Size
212 mm²
Chip Package
HFCBGA-1737

Mobile Graphics

Release Date
Jul 12th, 2011
Generation
Vancouver
(HD 6900M)
Predecessor
Manhattan
Successor
London
Production
End-of-life
Bus Interface
MXM-B (3.0)

Clock Speeds

GPU Clock
715 MHz
800 MHz (+12%)
Memory Clock
900 MHz
1000 MHz (+11%)
3.6 Gbps effective
4 Gbps effective

Memory

Memory Size
2 GB
Memory Type
GDDR5
Memory Bus
256 bit
Bandwidth
115.2 GB/s
128.0 GB/s

Render Config

Shading Units
1120
TMUs
56
ROPs
32
Compute Units
14
L1 Cache
8 KB (per CU)
L2 Cache
512 KB

Theoretical Performance

Pixel Rate
22.88 GPixel/s
25.60 GPixel/s
Texture Rate
40.04 GTexel/s
44.80 GTexel/s
FP32 (float)
1.602 TFLOPS
1.792 TFLOPS

Board Design

Slot Width
MXM Module
TDP
100 W
Outputs
Portable Device Dependent
Power Connectors
None
Board Number
C296

Graphics Features

DirectX
11.2 (11_0)
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Shader Model
5.0

Card Notes

- Polygon throughput: 715M polygons/sec
- Data fetch rate (32-bit): 160 billion fetches/sec
- Anti-aliased pixel fill rate: 91.52 Gigasamples/sec

Blackcomb GPU Notes

Generation: Northern Islands
Desktop Variant: Barts
Graphics/Compute: GFX4
Display Core Engine: 5.0
Unified Video Decoder: 3.1

Other retail boards based on this design (2)

Name GPU Clock Memory Clock Other Changes
Dell HD 6990M
790 MHz 1000 MHz
Dell HD 6990M
800 MHz 1000 MHz
Apr 26th, 2024 16:35 EDT change timezone

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