Radeon 620 Mobile vs Radeon E4690 MXM
We compared two Mobile platform GPUs: 2GB VRAM Radeon 620 Mobile and 512MB VRAM Radeon E4690 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon 620 Mobile 's Advantages
Released 9 years and 11 months late
Boost Clock1024MHz
More VRAM (2GB vs 512GB)
64 additional rendering cores
Radeon E4690 MXM 's Advantages
Larger VRAM bandwidth (22.40GB/s vs 14.40GB/s)
Lower TDP (30W vs 50W)
Score
Benchmark
FP32 (float)
Radeon 620 Mobile
+104%
786
Radeon E4690 MXM
384
Graphics Card
May 2019
Release Date
Jun 2009
Mobility Radeon
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-II
Clock Speeds
730 MHz
Base Clock
-
1024 MHz
Boost Clock
-
900 MHz
Memory Clock
700 MHz
Memory
2GB
Memory Size
512MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
22.40GB/s
Render Config
6
Compute Units
4
384
Shading Units
320
24
TMUs
32
8
ROPs
8
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
128 KB
Theoretical Performance
8.192 GPixel/s
Pixel Rate
4.800 GPixel/s
24.58 GTexel/s
Texture Rate
19.20 GTexel/s
786.4 GFLOPS
FP16 (half)
-
786.4 GFLOPS
FP32 (float)
384.0 GFLOPS
49.15 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
30W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Polaris 24
GPU Name
RV730
Polaris 24 XL
GPU Variant
RV730 XT E4690
(215-0729055)
GCN 3.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
1.55 billion
Transistors
0.514 billion
125 mm²
Die Size
146 mm²
Graphics Features
12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.0
OpenCL
1.1
1.2
Vulkan
N/A
6.3
Shader Model
4.1
