AMD Radeon R9 M265X vs AMD Radeon HD 6990M

VS

AMD Radeon R9 M265X

AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M265X 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 R9 M265X 's Advantages

Released 2 years and 8 months late

Boost Clock625MHz

AMD Radeon HD 6990M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M265X

0.8 TFLOPS

Radeon HD 6990M +100%

1.602 TFLOPS

Radeon R9 M265X

VS

Radeon HD 6990M

Graphics Card

Mar 2014

Release Date

Jul 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

575 MHz

Base Clock

-

625 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

115.2GB/s

Render Config

10

Compute Units

14

-

640

Shading Units

1120

40

TMUs

56

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

22.88 GPixel/s

25.00 GTexel/s

Texture Rate

40.04 GTexel/s

-

800.0 GFLOPS

FP32 (float)

1.602 TFLOPS

50.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

Blackcomb

Venus PRO (216-0846009)

GPU Variant

Blackcomb XTX (216-0811030)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.7 billion

123 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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