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AMD Radeon HD 6970M Mac Edition

Graphics Processor
Blackcomb
Cores
960
TMUs
48
ROPs
32
Memory Size
2 GB
Memory Type
GDDR5
Bus Width
256 bit
The Radeon HD 6970M Mac Edition was a mobile graphics chip by AMD, launched on August 25th, 2011. Built on the 40 nm process, and based on the Blackcomb graphics processor, in its Blackcomb XT variant, the chip supports DirectX 11.2. The Blackcomb graphics processor is an average sized chip with a die area of 212 mm² and 1,700 million transistors. Unlike the fully unlocked Radeon HD 6990M, which uses the same GPU but has all 1120 shaders enabled, AMD has disabled some shading units on the Radeon HD 6970M Mac Edition to reach the product's target shader count. It features 960 shading units, 48 texture mapping units, and 32 ROPs. AMD has paired 2,048 MB GDDR5 memory with the Radeon HD 6970M Mac Edition, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 680 MHz, memory is running at 900 MHz (3.6 Gbps effective).
Being a mxm module card, the AMD Radeon HD 6970M Mac Edition does not require any additional power connector, its power draw is rated at 75 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Rather it is intended for use in laptop/notebooks and will use the output of the host mobile device.

Graphics Processor

GPU Name
Blackcomb
GPU Variant
Blackcomb XT
(216-0811000)
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
1,700 million
Die Size
212 mm²

Mobile Graphics

Release Date
Aug 25th, 2011
Generation
Vancouver
(HD 6900M)
Predecessor
Manhattan
Successor
London
Production
End-of-life
Bus Interface
MXM-B (3.0)

Relative Performance

9%
GeForce 210
11%
GeForce 9400 GT
13%
Radeon HD 4550
17%
Radeon HD 5450
20%
Radeon HD 6450
21%
GeForce GT 520
26%
GeForce GT 220
34%
GeForce GT 430
35%
Radeon HD 5570
38%
Radeon HD 4670
40%
GeForce GT 440
41%
GeForce GT 240
47%
GeForce 9600 GT
50%
Radeon HD 5670
53%
GeForce GT 640
55%
GeForce 9800 GT
57%
Radeon HD 6670
59%
Radeon HD 4830
63%
Radeon HD 4770
67%
Radeon HD 4850
68%
GeForce GTS 250
70%
GeForce GTS 450
73%
Radeon HD 5750
83%
Radeon HD 7750
84%
Radeon HD 5770
85%
GeForce GTX 260
86%
Radeon HD 4870
86%
Radeon Vega 8
87%
GeForce GTX 550 Ti
88%
GeForce GTX 650
93%
Radeon HD 5830
98%
Radeon HD 6790
100%
Radeon HD 4890
100%
Radeon HD 6970M Mac Edition
103%
GeForce GTX 460
104%
Radeon RX Vega 11
105%
GeForce GT 1030
106%
GeForce GTX 275
106%
Radeon HD 7770 GHz Edition
107%
GeForce GTX 280
109%
GeForce GTX 465
114%
Radeon HD 6850
116%
GeForce GTX 285
125%
Radeon HD 5850
127%
GeForce GTX 650 Ti
127%
Radeon HD 7790
132%
Radeon RX 550
133%
GeForce GTX 470
137%
Radeon HD 6870
147%
Radeon HD 5870
151%
GeForce GTX 560 Ti
152%
Radeon HD 4870 X2
155%
GeForce GTX 750 Ti
155%
Radeon HD 6950
161%
GeForce GTX 295
163%
GeForce GTX 650 Ti Boost
164%
Radeon HD 7850
167%
GeForce GTX 480
175%
Radeon HD 6970
178%
Radeon R7 265
181%
Radeon RX 460
181%
Radeon R7 370
182%
GeForce GTX 660
182%
GeForce GTX 570
185%
Radeon RX 560
197%
GeForce GTX 950
198%
Radeon HD 7870 GHz Edition
203%
Radeon R9 270X
206%
GeForce GTX 660 Ti
207%
GeForce GTX 580
208%
GeForce GTX 1050
209%
Radeon HD 7950
213%
Radeon HD 5970
219%
GeForce GTX 760
235%
GeForce GTX 670
242%
GeForce GTX 960
248%
Radeon R9 380
249%
Radeon R9 285
252%
Radeon HD 7970
254%
GeForce GTX 680
260%
GeForce GTX 1050 Ti
267%
GeForce GTX 770
273%
Radeon HD 6990
280%
Radeon R9 280X
284%
GeForce GTX 590
284%
Radeon HD 7970 GHz Edition
315%
GeForce GTX 780
319%
Radeon RX 6400
326%
GeForce GTX 1650
346%
Radeon RX 470
351%
Radeon R9 290
370%
Radeon RX 570
374%
Radeon R9 390
376%
Radeon R9 290X
381%
GeForce GTX 970
387%
GeForce GTX TITAN
392%
GeForce GTX 780 Ti
397%
Radeon R9 390X
399%
Radeon HD 7990
401%
Radeon RX 480
404%
GeForce GTX 690
415%
GeForce GTX 1060 6 GB
421%
Radeon RX 5500 OEM
426%
Radeon RX 580
429%
Radeon RX 5500 XT
433%
Radeon RX 6500 XT
435%
GeForce GTX 980
439%
GeForce GTX 1650 SUPER
440%
Radeon R9 FURY
460%
Radeon RX 590
485%
Radeon R9 295X2
487%
GeForce GTX 1660
493%
Radeon R9 FURY X
501%
GeForce GTX 980 Ti
514%
GeForce GTX TITAN X
547%
GeForce GTX 1660 SUPER
559%
GeForce GTX 1070
559%
GeForce GTX 1660 Ti
568%
GeForce RTX 3050 8 GB
595%
Radeon RX Vega 56
632%
GeForce GTX 1070 Ti
641%
Radeon RX 5600 XT
650%
Radeon RX Vega 64
659%
GeForce RTX 2060
659%
GeForce GTX 1080
686%
Radeon RX 5700
733%
Radeon RX 6600
740%
GeForce RTX 2060 SUPER
767%
GeForce RTX 2070
782%
GeForce RTX 3060
785%
Radeon RX 5700 XT
794%
Radeon VII
814%
TITAN X Pascal
839%
GeForce GTX 1080 Ti
848%
GeForce RTX 2070 SUPER
875%
Radeon RX 6600 XT
892%
Radeon RX 6650 XT
912%
GeForce RTX 2080
956%
GeForce RTX 2080 SUPER
980%
GeForce RTX 3060 Ti
997%
Radeon RX 6700 XT
1074%
GeForce RTX 2080 Ti
1076%
Radeon RX 6750 XT
1147%
GeForce RTX 3070
1228%
GeForce RTX 3070 Ti
1265%
Radeon RX 6800
1451%
Radeon RX 6800 XT
1491%
GeForce RTX 3080
1578%
Radeon RX 6900 XT
1670%
GeForce RTX 3080 Ti
1672%
Radeon RX 6950 XT
1687%
GeForce RTX 3090
1822%
GeForce RTX 3090 Ti
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
680 MHz
Memory Clock
900 MHz
3.6 Gbps effective

Memory

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

Render Config

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

Theoretical Performance

Pixel Rate
21.76 GPixel/s
Texture Rate
32.64 GTexel/s
FP32 (float) performance
1,306 GFLOPS

Board Design

Slot Width
MXM Module
TDP
75 W
Outputs
No outputs
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

Blackcomb GPU Notes

Architecture Codename: Northern Islands
Chip Variant: Barts
Graphics/Compute: GFX4
Display Core Engine: 5.0
Unified Video Decoder: 3.1
May 28th, 2022 10:16 EDT change timezone

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