AMD Radeon HD 6990M Rebrand vs AMD Radeon E9390 PCIe

VS

AMD Radeon HD 6990M Rebrand

AMD Radeon E9390 PCIe

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 8GB VRAM Radeon E9390 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9390 PCIe 's Advantages

Released 8 years and 3 months late

Boost Clock1089MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 70.40GB/s)

992 additional rendering cores

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand

1.28 TFLOPS

Radeon E9390 PCIe +204%

3.903 TFLOPS

Radeon HD 6990M Rebrand

VS

Radeon E9390 PCIe

Graphics Card

Jul 2011

Release Date

Oct 2019

Vancouver

Generation

Embedded

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

713 MHz

-

Boost Clock

1089 MHz

1100 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

70.40GB/s

Bandwidth

160.0GB/s

Render Config

14

Compute Units

28

-

800

Shading Units

1792

40

TMUs

112

16

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

34.85 GPixel/s

32.00 GTexel/s

Texture Rate

122.0 GTexel/s

-

FP16 (half)

3.903 TFLOPS

1280 GFLOPS

FP32 (float)

3.903 TFLOPS

-

FP64 (double)

243.9 GFLOPS

Board Design

100W

TDP

75W

-

No outputs

Outputs

4x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

Ellesmere

Broadway XTX

GPU Variant

-

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.04 billion

Transistors

5.7 billion

166 mm²

Die Size

232 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

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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