AMD Radeon HD 6990M vs AMD Radeon Pro Vega 64

VS

AMD Radeon HD 6990M

AMD Radeon Pro Vega 64

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 16GB VRAM Radeon Pro Vega 64 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Lower TDP (100W vs 250W)

AMD Radeon Pro Vega 64 's Advantages

Released 5 years and 11 months late

Boost Clock1350MHz

More VRAM (16GB vs 2GB)

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

2976 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M

1.602 TFLOPS

Radeon Pro Vega 64 +590%

11.06 TFLOPS

Radeon HD 6990M

VS

Radeon Pro Vega 64

Graphics Card

Jul 2011

Release Date

Jun 2017

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1250 MHz

-

Boost Clock

1350 MHz

900 MHz

Memory Clock

786 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

2048bit

115.2GB/s

Bandwidth

402.4GB/s

Render Config

14

Compute Units

64

-

1120

Shading Units

4096

56

TMUs

256

32

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

86.40 GPixel/s

40.04 GTexel/s

Texture Rate

345.6 GTexel/s

-

FP16 (half)

22.12 TFLOPS

1.602 TFLOPS

FP32 (float)

11.06 TFLOPS

-

FP64 (double)

691.2 GFLOPS

Board Design

100W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

Vega 10

Blackcomb XTX (216-0811030)

GPU Variant

Vega 10 XT (215-0894200)

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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