AMD Radeon HD 8950M vs NVIDIA GeForce 840A

VS

AMD Radeon HD 8950M

NVIDIA GeForce 840A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8950M and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8950M 's Advantages

Larger VRAM bandwidth (88.00GB/s vs 16.02GB/s)

384 additional rendering cores

NVIDIA GeForce 840A 's Advantages

Released 10 months late

Boost Clock1124MHz

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8950M +91%

1.651 TFLOPS

GeForce 840A

0.863 TFLOPS

Radeon HD 8950M

VS

GeForce 840A

Graphics Card

May 2013

Release Date

Mar 2014

Solar System

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

1375 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

88.00GB/s

Bandwidth

16.02GB/s

Render Config

12

Compute Units

-

768

Shading Units

384

48

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

17.20 GPixel/s

Pixel Rate

8.992 GPixel/s

51.60 GTexel/s

Texture Rate

17.98 GTexel/s

-

1.651 TFLOPS

FP32 (float)

863.2 GFLOPS

103.2 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Saturn

GPU Name

GM108

Saturn XT

GPU Variant

-

GCN 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

Unknown

160 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.3

Shader Model

5.1

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