AMD Radeon R5 M315 vs AMD Radeon HD 6990M

VS

AMD Radeon R5 M315

AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M315 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 R5 M315 's Advantages

Released 3 years and 10 months late

AMD Radeon HD 6990M 's Advantages

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

736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M315

0.745 TFLOPS

Radeon HD 6990M +115%

1.602 TFLOPS

Radeon R5 M315

VS

Radeon HD 6990M

Graphics Card

May 2015

Release Date

Jul 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

115.2GB/s

Render Config

6

Compute Units

14

-

384

Shading Units

1120

24

TMUs

56

8

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

7.760 GPixel/s

Pixel Rate

22.88 GPixel/s

23.28 GTexel/s

Texture Rate

40.04 GTexel/s

745.0 GFLOPS

FP16 (half)

-

745.0 GFLOPS

FP32 (float)

1.602 TFLOPS

46.56 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Meso

GPU Name

Blackcomb

Meso LE (216-0864046)

GPU Variant

Blackcomb XTX (216-0811030)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.55 billion

Transistors

1.7 billion

125 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

1.2.170

Vulkan

N/A

-

6.5

Shader Model

5.0

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