AMD Radeon HD 6990M Rebrand vs AMD Radeon Pro Vega 64X

VS

AMD Radeon HD 6990M Rebrand

AMD Radeon Pro Vega 64X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 16GB VRAM Radeon Pro Vega 64X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Lower TDP (100W vs 250W)

AMD Radeon Pro Vega 64X 's Advantages

Released 7 years and 8 months late

Boost Clock1468MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 70.40GB/s)

3296 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand

1.28 TFLOPS

Radeon Pro Vega 64X +839%

12.03 TFLOPS

Radeon HD 6990M Rebrand

VS

Radeon Pro Vega 64X

Graphics Card

Jul 2011

Release Date

Mar 2019

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

1468 MHz

1100 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

HBM2

128bit

Memory Bus

2048bit

70.40GB/s

Bandwidth

512.0GB/s

Render Config

14

Compute Units

64

-

800

Shading Units

4096

40

TMUs

256

16

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

93.95 GPixel/s

32.00 GTexel/s

Texture Rate

375.8 GTexel/s

-

FP16 (half)

24.05 TFLOPS

1280 GFLOPS

FP32 (float)

12.03 TFLOPS

-

FP64 (double)

751.6 GFLOPS

Board Design

100W

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

Vega 10

Broadway XTX

GPU Variant

Vega 10 XT (215-0894200)

TeraScale 2

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.04 billion

Transistors

12.5 billion

166 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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