AMD Radeon HD 6970M vs NVIDIA GeForce 820M

VS

AMD Radeon HD 6970M

NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M and 2GB VRAM GeForce 820M 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 28.83GB/s)

576 additional rendering cores

NVIDIA GeForce 820M 's Advantages

Released 4 years and 2 months late

More VRAM (2GB vs 1024GB)

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 6970M +109%

1.306 TFLOPS

GeForce 820M

0.622 TFLOPS

Radeon HD 6970M

VS

GeForce 820M

Graphics Card

Jan 2011

Release Date

Mar 2015

Vancouver

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

901 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

28.83GB/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

6.480 GPixel/s

32.64 GTexel/s

Texture Rate

25.92 GTexel/s

-

1306 GFLOPS

FP32 (float)

622.1 GFLOPS

-

FP64 (double)

25.92 GFLOPS

Board Design

75W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

GK107

Blackcomb XT (216-0811000)

GPU Variant

-

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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