NVIDIA GeForce 840A vs AMD Radeon Pro 555

VS

NVIDIA GeForce 840A

AMD Radeon Pro 555

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 2GB VRAM Radeon Pro 555 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Boost Clock1124MHz

Lower TDP (33W vs 75W)

AMD Radeon Pro 555 's Advantages

Released 3 years and 3 months late

Larger VRAM bandwidth (81.60GB/s vs 16.02GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

Radeon Pro 555 +51%

1.306 TFLOPS

GeForce 840A

VS

Radeon Pro 555

Graphics Card

Mar 2014

Release Date

Jun 2017

GeForce 800A

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

1275 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

81.60GB/s

Render Config

-

Compute Units

12

-

384

Shading Units

768

16

TMUs

48

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

13.60 GPixel/s

17.98 GTexel/s

Texture Rate

40.80 GTexel/s

-

FP16 (half)

1306 GFLOPS

863.2 GFLOPS

FP32 (float)

1306 GFLOPS

26.98 GFLOPS

FP64 (double)

81.60 GFLOPS

Board Design

33W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Polaris 21

-

GPU Variant

Polaris 21 PRO

Maxwell

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

Unknown

Transistors

3 billion

Unknown

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

6.4

Related GPU Comparisons

1

NVIDIA GeForce 840A vs Intel Arc A550M

2

NVIDIA GeForce 840A vs NVIDIA GeForce GT 130M

3

NVIDIA GeForce 840A vs AMD FirePro M4100

4

NVIDIA GeForce 840A vs NVIDIA GeForce GT 650M

5

NVIDIA GeForce 840A vs NVIDIA GeForce GTX 280M

6

NVIDIA GeForce 840A vs NVIDIA GeForce GT 630M

7

NVIDIA GeForce 840A vs AMD Radeon R5 M465

8

NVIDIA GeForce 840A vs AMD FirePro M5100

9

NVIDIA GeForce 840A vs NVIDIA GeForce GTX 485M

10

NVIDIA GeForce 840A vs AMD Radeon R9 M290X Mac Edition

Related News

1

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

2

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

3

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

4

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

5

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

6

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

7

CXMT Reportedly Achieves 80% Yield in DDR5 Production

8

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

9

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

10

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps