AMD Radeon HD 6990M vs AMD Radeon Pro Vega 48

VS

AMD Radeon HD 6990M AMD Radeon Pro Vega 48

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 8GB VRAM Radeon Pro Vega 48 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 48 's Advantages

Released 7 years and 8 months late

More VRAM (8GB vs 2GB)

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

1952 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M

1.602 TFLOPS

Radeon Pro Vega 48 +360%

7.373 TFLOPS

Radeon HD 6990M

VS

Radeon Pro Vega 48

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

-

Boost Clock

-

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

-

SM Count

-

14

Compute Units

48

1120

Shading Units

3072

56

TMUs

192

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

76.80 GPixel/s

40.04 GTexel/s

Texture Rate

230.4 GTexel/s

-

FP16 (half)

14.75 TFLOPS

1.602 TFLOPS

FP32 (float)

7.373 TFLOPS

-

FP64 (double)

460.8 GFLOPS

Graphics Processor

Blackcomb

GPU Name

Vega 10

Blackcomb XTX (216-0811030)

GPU Variant

Vega 10 PRO

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

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

CUDA

-

5.0

Shader Model

6.7

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