AMD Radeon HD 6970M vs NVIDIA GeForce GT 755M

VS

AMD Radeon HD 6970M

NVIDIA GeForce GT 755M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M and 2GB VRAM GeForce GT 755M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 86.40GB/s)

576 additional rendering cores

NVIDIA GeForce GT 755M 's Advantages

Released 2 years and 5 months late

More VRAM (2GB vs 1024GB)

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 6970M +73%

1.306 TFLOPS

GeForce GT 755M

0.753 TFLOPS

Radeon HD 6970M

VS

GeForce GT 755M

Graphics Card

Jan 2011

Release Date

Jun 2013

Vancouver

Generation

GeForce 700M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1350 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

86.40GB/s

Render Config

12

Compute Units

-

960

Shading Units

384

48

TMUs

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

21.76 GPixel/s

Pixel Rate

7.840 GPixel/s

32.64 GTexel/s

Texture Rate

31.36 GTexel/s

-

1306 GFLOPS

FP32 (float)

752.6 GFLOPS

-

FP64 (double)

31.36 GFLOPS

Board Design

75W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

GK107

Blackcomb XT (216-0811000)

GPU Variant

GT 755M

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.27 billion

212 mm²

Die Size

118 mm²

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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