AMD Radeon HD 6990M vs AMD Radeon R5 M315

VS

AMD Radeon HD 6990M

AMD Radeon R5 M315

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 2GB VRAM Radeon R5 M315 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)

736 additional rendering cores

AMD Radeon R5 M315 's Advantages

Released 3 years and 10 months late

Score

Benchmark

FP32 (float)

Radeon HD 6990M +115%

1.602 TFLOPS

Radeon R5 M315

0.745 TFLOPS

Radeon HD 6990M

VS

Radeon R5 M315

Graphics Card

Jul 2011

Release Date

May 2015

Vancouver

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

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

14

Compute Units

6

-

1120

Shading Units

384

56

TMUs

24

32

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

7.760 GPixel/s

40.04 GTexel/s

Texture Rate

23.28 GTexel/s

-

FP16 (half)

745.0 GFLOPS

1.602 TFLOPS

FP32 (float)

745.0 GFLOPS

-

FP64 (double)

46.56 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

Meso

Blackcomb XTX (216-0811030)

GPU Variant

Meso LE (216-0864046)

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.55 billion

212 mm²

Die Size

125 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5

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