AMD Radeon HD 8970M vs NVIDIA GeForce 620M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 1024MB VRAM GeForce 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970M 's Advantages

Released 1 years and 2 months late

Boost Clock900MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)

1184 additional rendering cores

NVIDIA GeForce 620M 's Advantages

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8970M +860%

2.304 TFLOPS

GeForce 620M

0.24 TFLOPS

Radeon HD 8970M

VS

GeForce 620M

Graphics Card

May 2013

Release Date

Mar 2012

Solar System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

20

Compute Units

-

1280

Shading Units

96

80

TMUs

16

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

2.500 GPixel/s

72.00 GTexel/s

Texture Rate

10.00 GTexel/s

-

FP16 (half)

-

2.304 TFLOPS

FP32 (float)

240.0 GFLOPS

144.0 GFLOPS

FP64 (double)

20.00 GFLOPS

Graphics Processor

Neptune

GPU Name

GF117

Neptune XT (216-0847000)

GPU Variant

N13P-GLP

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

0.585 billion

212 mm²

Die Size

116 mm²

Board Design

100W

TDP

15W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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