Home GPU Comparison ATI Mobility Radeon HD 3470 vs AMD Radeon RX 640 Mobile

ATI Mobility Radeon HD 3470 vs AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3470 and 2GB VRAM Radeon RX 640 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages
Released 11 years and 4 months late
Boost Clock1218MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (48.00GB/s vs 6.400GB/s)
600 additional rendering cores

Score

Benchmark

FP32 (float)
Mobility Radeon HD 3470
0.054 TFLOPS
Radeon RX 640 Mobile +2787%
1.559 TFLOPS
VS

Graphics Card

Jan 2008
Release Date
May 2019
M8x
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-II
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
1082 MHz
-
Boost Clock
1218 MHz
400 MHz
Memory Clock
1500 MHz

Memory

256MB
Memory Size
2GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
64bit
6.400GB/s
Bandwidth
48.00GB/s

Render Config

2
Compute Units
10
-
-
-
40
Shading Units
640
4
TMUs
40
4
ROPs
16
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

2.720 GPixel/s
Pixel Rate
19.49 GPixel/s
2.720 GTexel/s
Texture Rate
48.72 GTexel/s
-
FP16 (half)
1.559 TFLOPS
54.40 GFLOPS
FP32 (float)
1.559 TFLOPS
-
FP64 (double)
97.44 GFLOPS

Board Design

Unknown
TDP
50W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

M82
GPU Name
Polaris 23
M82-ME XT (216-0707009)
GPU Variant
Polaris 23 XT
TeraScale
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
55 nm
Process Size
14 nm
0.181 billion
Transistors
2.2 billion
67 mm²
Die Size
103 mm²

Graphics Features

10.1
DirectX
12 (12_0)
3.3
OpenGL
4.6
N/A
OpenCL
2.1
N/A
Vulkan
1.2
-
-
-
4.1
Shader Model
6.4

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