AMD Radeon HD 6970M vs NVIDIA GeForce GT 820M

VS

AMD Radeon HD 6970M NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M and 1024MB VRAM GeForce GT 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 14.40GB/s)

864 additional rendering cores

NVIDIA GeForce GT 820M 's Advantages

Released 2 years and 10 months late

Lower TDP (15W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 6970M +338%

1.306 TFLOPS

GeForce GT 820M

0.298 TFLOPS

Radeon HD 6970M

VS

GeForce GT 820M

Graphics Card

Jan 2011

Release Date

Nov 2013

Vancouver

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

12

Compute Units

-

960

Shading Units

96

48

TMUs

16

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

Theoretical Performance

21.76 GPixel/s

Pixel Rate

3.100 GPixel/s

32.64 GTexel/s

Texture Rate

12.40 GTexel/s

-

FP16 (half)

-

1306 GFLOPS

FP32 (float)

297.6 GFLOPS

-

FP64 (double)

24.80 GFLOPS

Graphics Processor

Blackcomb

GPU Name

GF117

Blackcomb XT (216-0811000)

GPU Variant

N15V-GM

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

0.585 billion

212 mm²

Die Size

116 mm²

Board Design

75W

TDP

15W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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