AMD Radeon Pro Vega 56 vs AMD Radeon HD 6990M

VS

AMD Radeon Pro Vega 56 AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro Vega 56 and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 56 's Advantages

Released 6 years and 1 months late

Boost Clock1250MHz

More VRAM (8GB vs 2GB)

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

2464 additional rendering cores

AMD Radeon HD 6990M 's Advantages

Lower TDP (100W vs 210W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 56 +459%

8.96 TFLOPS

Radeon HD 6990M

1.602 TFLOPS

Radeon Pro Vega 56

VS

Radeon HD 6990M

Graphics Card

Aug 2017

Release Date

Jul 2011

Radeon Pro Mac

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1138 MHz

Base Clock

-

1250 MHz

Boost Clock

-

786 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

256bit

402.4GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

56

Compute Units

14

3584

Shading Units

1120

224

TMUs

56

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

80.00 GPixel/s

Pixel Rate

22.88 GPixel/s

280.0 GTexel/s

Texture Rate

40.04 GTexel/s

17.92 TFLOPS

FP16 (half)

-

8.960 TFLOPS

FP32 (float)

1.602 TFLOPS

560.0 GFLOPS

FP64 (double)

-

Graphics Processor

Vega 10

GPU Name

Blackcomb

Vega 10 XL (215-0894216)

GPU Variant

Blackcomb XTX (216-0811030)

GCN 5.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

12.5 billion

Transistors

1.7 billion

495 mm²

Die Size

212 mm²

Board Design

210W

TDP

100W

-

Suggested PSU

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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