NVIDIA GeForce GT 820M vs AMD Radeon HD 8950M

VS

NVIDIA GeForce GT 820M AMD Radeon HD 8950M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 2GB VRAM Radeon HD 8950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 820M 's Advantages

Released 6 months late

Lower TDP (15W vs 100W)

AMD Radeon HD 8950M 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (88.00GB/s vs 14.40GB/s)

672 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 820M

0.298 TFLOPS

Radeon HD 8950M +454%

1.651 TFLOPS

GeForce GT 820M

VS

Radeon HD 8950M

Graphics Card

Nov 2013

Release Date

May 2013

GeForce 800M

Generation

Solar System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

88.00GB/s

Render Config

2

SM Count

-

Compute Units

12

96

Shading Units

768

16

TMUs

48

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

3.100 GPixel/s

Pixel Rate

17.20 GPixel/s

12.40 GTexel/s

Texture Rate

51.60 GTexel/s

-

FP16 (half)

-

297.6 GFLOPS

FP32 (float)

1.651 TFLOPS

24.80 GFLOPS

FP64 (double)

103.2 GFLOPS

Graphics Processor

GF117

GPU Name

Saturn

N15V-GM

GPU Variant

Saturn XT

Fermi 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

2.08 billion

116 mm²

Die Size

160 mm²

Board Design

15W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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