AMD Radeon HD 8790M vs AMD Radeon HD 6750M Mac Edition

VS

AMD Radeon HD 8790M AMD Radeon HD 6750M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8790M and 512MB VRAM Radeon HD 6750M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8790M 's Advantages

Released 2 years late

Boost Clock900MHz

Larger VRAM bandwidth (64.00GB/s vs 50.82GB/s)

AMD Radeon HD 6750M Mac Edition 's Advantages

96 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8790M +20%

0.691 TFLOPS

Radeon HD 6750M Mac Edition

0.574 TFLOPS

Radeon HD 8790M

VS

Radeon HD 6750M Mac Edition

Graphics Card

Apr 2013

Release Date

Apr 2011

Solar System

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1000 MHz

Memory Clock

794 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

50.82GB/s

Render Config

-

SM Count

-

6

Compute Units

6

384

Shading Units

480

24

TMUs

24

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

7.200 GPixel/s

Pixel Rate

4.784 GPixel/s

21.60 GTexel/s

Texture Rate

14.35 GTexel/s

-

FP16 (half)

-

691.2 GFLOPS

FP32 (float)

574.1 GFLOPS

43.20 GFLOPS

FP64 (double)

-

Graphics Processor

Mars

GPU Name

Whistler

Mars M2 XTX (216-0842036)

GPU Variant

Whistler PRO (216-0810005)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.716 billion

77 mm²

Die Size

104 mm²

Board Design

Unknown

TDP

35W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

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

-

CUDA

-

6.5 (5.1)

Shader Model

5.0

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