AMD Radeon HD 6830M vs AMD Radeon R9 M295X Mac Edition

VS

AMD Radeon HD 6830M AMD Radeon R9 M295X Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6830M and 4GB VRAM Radeon R9 M295X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6830M 's Advantages

Lower TDP (39W vs 250W)

AMD Radeon R9 M295X Mac Edition 's Advantages

Released 3 years and 10 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (174.3GB/s vs 25.60GB/s)

1248 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6830M

0.92 TFLOPS

Radeon R9 M295X Mac Edition +278%

3.482 TFLOPS

Radeon HD 6830M

VS

Radeon R9 M295X Mac Edition

Graphics Card

Jan 2011

Release Date

Nov 2014

Vancouver

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1362 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

174.3GB/s

Render Config

-

SM Count

-

10

Compute Units

32

800

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

9.200 GPixel/s

Pixel Rate

27.20 GPixel/s

23.00 GTexel/s

Texture Rate

108.8 GTexel/s

-

FP16 (half)

3.482 TFLOPS

920.0 GFLOPS

FP32 (float)

3.482 TFLOPS

-

FP64 (double)

217.6 GFLOPS

Graphics Processor

Granville

GPU Name

Amethyst

Granville LP

GPU Variant

Amethyst XT

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

5 billion

166 mm²

Die Size

366 mm²

Board Design

39W

TDP

250W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.3

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