AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce GTX 675MX Mac Edition

VS

AMD Radeon HD 6990M Rebrand NVIDIA GeForce GTX 675MX Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 1024MB VRAM GeForce GTX 675MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675MX Mac Edition 's Advantages

Released 1 years and 9 months late

Larger VRAM bandwidth (160.0GB/s vs 70.40GB/s)

544 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand

1.28 TFLOPS

GeForce GTX 675MX Mac Edition +51%

1.933 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce GTX 675MX Mac Edition

Graphics Card

Jul 2011

Release Date

Apr 2013

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1100 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

70.40GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

14

Compute Units

-

800

Shading Units

1344

40

TMUs

112

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

20.13 GPixel/s

32.00 GTexel/s

Texture Rate

80.53 GTexel/s

-

FP16 (half)

-

1280 GFLOPS

FP32 (float)

1.933 TFLOPS

-

FP64 (double)

80.53 GFLOPS

Graphics Processor

Broadway

GPU Name

GK104

Broadway XTX

GPU Variant

N13E-GSR-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

3.54 billion

166 mm²

Die Size

294 mm²

Board Design

100W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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