Home GPU Comparison AMD Radeon HD 8830M vs NVIDIA GeForce 840A

AMD Radeon HD 8830M vs NVIDIA GeForce 840A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8830M 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 8830M 's Advantages
Larger VRAM bandwidth (32.00GB/s vs 16.02GB/s)
256 additional rendering cores
NVIDIA GeForce 840A 's Advantages
Released 11 months late
Boost Clock has increased by 80% (1124MHz vs 625MHz)

Score

Benchmark

FP32 (float)
Radeon HD 8830M
0.8 TFLOPS
GeForce 840A +7%
0.863 TFLOPS
VS

Graphics Card

Apr 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

575 MHz
Base Clock
1029 MHz
625 MHz
Boost Clock
1124 MHz
1000 MHz
Memory Clock
1001 MHz

Memory

2GB
Memory Size
2GB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
32.00GB/s
Bandwidth
16.02GB/s

Render Config

10
Compute Units
-
-
-
-
640
Shading Units
384
40
TMUs
16
16
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SMM)
256 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

10.00 GPixel/s
Pixel Rate
8.992 GPixel/s
25.00 GTexel/s
Texture Rate
17.98 GTexel/s
-
-
-
800.0 GFLOPS
FP32 (float)
863.2 GFLOPS
50.00 GFLOPS
FP64 (double)
26.98 GFLOPS

Board Design

Unknown
TDP
33W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Venus
GPU Name
GM108
Venus LE (216-0846030)
GPU Variant
-
GCN 1.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.5 billion
Transistors
Unknown
123 mm²
Die Size
Unknown

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
3.0
1.2.170
Vulkan
1.3
-
CUDA
5.0
6.5 (5.1)
Shader Model
5.1

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