Home GPU Comparison AMD Radeon RX Vega 56 Mobile vs NVIDIA GeForce GT 640M

AMD Radeon RX Vega 56 Mobile vs NVIDIA GeForce GT 640M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX Vega 56 Mobile and 2GB VRAM GeForce GT 640M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 56 Mobile 's Advantages
Released 6 years and 3 months late
Boost Clock1301MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (409.6GB/s vs 28.80GB/s)
3200 additional rendering cores
NVIDIA GeForce GT 640M 's Advantages
Lower TDP (32W vs 120W)

Score

Benchmark

FP32 (float)
Radeon RX Vega 56 Mobile +1842%
9.326 TFLOPS
GeForce GT 640M
0.48 TFLOPS
VS

Graphics Card

Jun 2018
Release Date
Mar 2012
Mobility Radeon
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

1138 MHz
Base Clock
-
1301 MHz
Boost Clock
-
800 MHz
Memory Clock
900 MHz

Memory

8GB
Memory Size
2GB
HBM2
Memory Type
DDR3
2048bit
Memory Bus
128bit
409.6GB/s
Bandwidth
28.80GB/s

Render Config

56
Compute Units
-
-
-
-
3584
Shading Units
384
224
TMUs
32
64
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
256 KB
-
-
-

Theoretical Performance

83.26 GPixel/s
Pixel Rate
5.000 GPixel/s
291.4 GTexel/s
Texture Rate
20.00 GTexel/s
18.65 TFLOPS
FP16 (half)
-
9.326 TFLOPS
FP32 (float)
480.0 GFLOPS
582.8 GFLOPS
FP64 (double)
20.00 GFLOPS

Board Design

120W
TDP
32W
-
-
-
1x HDMI 2.0b 3x DisplayPort 1.4a
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

Vega 10
GPU Name
GK107
Vega 10 XL (215-0894216)
GPU Variant
N13P-GS
GCN 5.0
Architecture
Kepler
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
12.5 billion
Transistors
1.27 billion
495 mm²
Die Size
118 mm²

Graphics Features

12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
6.4
Shader Model
5.1

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