Home GPU Comparison AMD Radeon RX 480 Mobile vs AMD Radeon HD 8690M

AMD Radeon RX 480 Mobile vs AMD Radeon HD 8690M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 480 Mobile and 2GB VRAM Radeon HD 8690M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 480 Mobile 's Advantages
Released 3 years and 5 months late
Boost Clock has increased by 10% (1077MHz vs 975MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 32.00GB/s)
1984 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 480 Mobile +695%
4.963 TFLOPS
Radeon HD 8690M
0.624 TFLOPS
VS

Graphics Card

Aug 2016
Release Date
Mar 2013
Mobility Radeon
Generation
Solar System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8

Clock Speeds

1000 MHz
Base Clock
925 MHz
1077 MHz
Boost Clock
975 MHz
2000 MHz
Memory Clock
1000 MHz

Memory

8GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
256.0GB/s
Bandwidth
32.00GB/s

Render Config

36
Compute Units
5
-
-
-
2304
Shading Units
320
144
TMUs
20
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
128 KB
-
-
-

Theoretical Performance

34.46 GPixel/s
Pixel Rate
7.800 GPixel/s
155.1 GTexel/s
Texture Rate
19.50 GTexel/s
4.963 TFLOPS
FP16 (half)
-
4.963 TFLOPS
FP32 (float)
624.0 GFLOPS
310.2 GFLOPS
FP64 (double)
39.00 GFLOPS

Board Design

100W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-

Graphics Processor

Ellesmere
GPU Name
Sun
Ellesmere XT
GPU Variant
Sun S3 XT (216-0841009)
GCN 4.0
Architecture
GCN 1.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
5.7 billion
Transistors
0.69 billion
232 mm²
Die Size
56 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
2.1 (1.2)
1.2
Vulkan
1.2.170
-
-
-
6.4
Shader Model
6.5 (5.1)

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