Home GPU Comparison AMD Radeon E8860 vs AMD Radeon RX 640 Mobile

AMD Radeon E8860 vs AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon E8860 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 E8860 's Advantages
Larger VRAM bandwidth (72.00GB/s vs 48.00GB/s)
Lower TDP (37W vs 50W)
AMD Radeon RX 640 Mobile 's Advantages
Released 5 years and 4 months late
Boost Clock has increased by 95% (1218MHz vs 625MHz)

Score

Benchmark

FP32 (float)
Radeon E8860
0.8 TFLOPS
Radeon RX 640 Mobile +94%
1.559 TFLOPS
VS

Graphics Card

Jan 2014
Release Date
May 2019
Embedded
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

575 MHz
Base Clock
1082 MHz
625 MHz
Boost Clock
1218 MHz
1125 MHz
Memory Clock
1500 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
72.00GB/s
Bandwidth
48.00GB/s

Render Config

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

Theoretical Performance

10.00 GPixel/s
Pixel Rate
19.49 GPixel/s
25.00 GTexel/s
Texture Rate
48.72 GTexel/s
-
FP16 (half)
1.559 TFLOPS
800.0 GFLOPS
FP32 (float)
1.559 TFLOPS
50.00 GFLOPS
FP64 (double)
97.44 GFLOPS

Board Design

37W
TDP
50W
-
-
-
1x VGA
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
None

Graphics Processor

Venus
GPU Name
Polaris 23
Venus MCM
GPU Variant
Polaris 23 XT
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
1.5 billion
Transistors
2.2 billion
123 mm²
Die Size
103 mm²

Graphics Features

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

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