Radeon Pro Vega 56 vs GeForce 840A
We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro Vega 56 and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon Pro Vega 56 's Advantages
Released 3 years and 5 months late
Boost Clock has increased by 11% (1250MHz vs 1124MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (402.4GB/s vs 16.02GB/s)
3200 additional rendering cores
GeForce 840A 's Advantages
Lower TDP (33W vs 210W)
Score
Benchmark
FP32 (float)
Radeon Pro Vega 56
+938%
8960
GeForce 840A
863
Graphics Card
Aug 2017
Release Date
Mar 2014
Radeon Pro Mac
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
1138 MHz
Base Clock
1029 MHz
1250 MHz
Boost Clock
1124 MHz
786 MHz
Memory Clock
1001 MHz
Memory
8GB
Memory Size
2GB
HBM2
Memory Type
DDR3
2048bit
Memory Bus
64bit
402.4GB/s
Bandwidth
16.02GB/s
Render Config
56
Compute Units
-
3584
Shading Units
384
224
TMUs
16
64
ROPs
8
16 KB (per CU)
L1 Cache
64 KB (per SMM)
4 MB
L2 Cache
1024 KB
Theoretical Performance
80.00 GPixel/s
Pixel Rate
8.992 GPixel/s
280.0 GTexel/s
Texture Rate
17.98 GTexel/s
17.92 TFLOPS
FP16 (half)
-
8.960 TFLOPS
FP32 (float)
863.2 GFLOPS
560.0 GFLOPS
FP64 (double)
26.98 GFLOPS
Board Design
210W
TDP
33W
1x HDMI 2.0b
3x DisplayPort 1.4a
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Vega 10
GPU Name
GM108
Vega 10 XL
(215-0894216)
GPU Variant
-
GCN 5.0
Architecture
Maxwell
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
12.5 billion
Transistors
Unknown
495 mm²
Die Size
Unknown
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
5.0
6.4
Shader Model
5.1