AMD Radeon HD 6970M Mac Edition: GPU Specs & Benchmarks

The Radeon HD 6970M Mac Edition 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 XT
(216-0811000)
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
1,700 million
Die Size
212 mm²

Graphics Card

Release Date
Aug 25th, 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
21.76 GPixel/s
Texture fillrate
32.64 GTexel/s
FP32 (float) performance
1,306 GFLOPS

Clock Speeds

Memory Clock
900 MHz
3.6 Gbps effective
GPU Clock
680 MHz

Render Config

Shading Units
960
TMUs
48
ROPs
32
Compute Units
12
L1 Cache
8 KB (per CU)
L2 Cache
512 KB

Board Design

Slot Width
MXM Module
Thermal design power (TDP)
75 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
Radeon HD 6970M Mac Edition
AMD Radeon HD 6970M Mac Edition: GPU Specs & Benchmarks