AMD Radeon E9390 PCIe vs AMD Radeon HD 6990M

VS

AMD Radeon E9390 PCIe

AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9390 PCIe 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 E9390 PCIe 's Advantages

Released 8 years and 3 months late

Boost Clock1089MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 115.2GB/s)

672 additional rendering cores

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon E9390 PCIe +143%

3.903 TFLOPS

Radeon HD 6990M

1.602 TFLOPS

Radeon E9390 PCIe

VS

Radeon HD 6990M

Graphics Card

Oct 2019

Release Date

Jul 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

713 MHz

Base Clock

-

1089 MHz

Boost Clock

-

1250 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

115.2GB/s

Render Config

28

Compute Units

14

-

1792

Shading Units

1120

112

TMUs

56

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

34.85 GPixel/s

Pixel Rate

22.88 GPixel/s

122.0 GTexel/s

Texture Rate

40.04 GTexel/s

3.903 TFLOPS

FP16 (half)

-

3.903 TFLOPS

FP32 (float)

1.602 TFLOPS

243.9 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

100W

-

4x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Blackcomb

-

GPU Variant

Blackcomb XTX (216-0811030)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

1.7 billion

232 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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