AMD Radeon HD 6990M vs AMD Radeon R5 M330

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 2GB VRAM Radeon R5 M330 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)

800 additional rendering cores

AMD Radeon R5 M330 's Advantages

Released 3 years and 10 months late

Boost Clock1030MHz

Lower TDP (18W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +143%

1.602 TFLOPS

Radeon R5 M330

0.659 TFLOPS

Radeon HD 6990M

VS

Radeon R5 M330

Graphics Card

Jul 2011

Release Date

May 2015

Vancouver

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

955 MHz

-

Boost Clock

1030 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

14

Compute Units

5

1120

Shading Units

320

56

TMUs

20

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

8.240 GPixel/s

40.04 GTexel/s

Texture Rate

20.60 GTexel/s

-

FP16 (half)

-

1.602 TFLOPS

FP32 (float)

659.2 GFLOPS

-

FP64 (double)

41.20 GFLOPS

Graphics Processor

Blackcomb

GPU Name

Exo

Blackcomb XTX (216-0811030)

GPU Variant

Exo PRO

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

0.69 billion

212 mm²

Die Size

56 mm²

Board Design

100W

TDP

18W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.0

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