AMD Radeon HD 6970M Mac Edition vs AMD Radeon Pro Vega 56

VS

AMD Radeon HD 6970M Mac Edition

AMD Radeon Pro Vega 56

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 8GB VRAM Radeon Pro Vega 56 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M Mac Edition 's Advantages

Lower TDP (75W vs 210W)

AMD Radeon Pro Vega 56 's Advantages

Released 6 years late

Boost Clock1250MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (402.4GB/s vs 115.2GB/s)

2624 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6970M Mac Edition

1.306 TFLOPS

Radeon Pro Vega 56 +586%

8.96 TFLOPS

Radeon HD 6970M Mac Edition

VS

Radeon Pro Vega 56

Graphics Card

Aug 2011

Release Date

Aug 2017

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1138 MHz

-

Boost Clock

1250 MHz

900 MHz

Memory Clock

786 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

2048bit

115.2GB/s

Bandwidth

402.4GB/s

Render Config

12

Compute Units

56

-

960

Shading Units

3584

48

TMUs

224

32

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

21.76 GPixel/s

Pixel Rate

80.00 GPixel/s

32.64 GTexel/s

Texture Rate

280.0 GTexel/s

-

FP16 (half)

17.92 TFLOPS

1306 GFLOPS

FP32 (float)

8.960 TFLOPS

-

FP64 (double)

560.0 GFLOPS

Board Design

75W

TDP

210W

-

No outputs

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

Vega 10

Blackcomb XT (216-0811000)

GPU Variant

Vega 10 XL (215-0894216)

TeraScale 2

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

12.5 billion

212 mm²

Die Size

495 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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