Mobility Radeon HD 3870 — Full Specifications

amd TeraScale · FP32: 0.42 TFLOPS · Memory: 512 MB GDDR3 · TDP: 55.0W

Last updated:

Calculated from published specifications — a Quanteta index, not measured FPS / benchmark results.

Quanteta Performance Indices

QOV ? Overall Performance Index 1.0 / 100 top 54%
QAI ? Compute (AI) Strength —
QGP ? Graphics Index 1.0 / 100 top 56%
QWP ? Power Efficiency Index 1.2 / 100 top 75%
QME ? Memory Bandwidth Density 0.9 / 100 top 11%

Methodology

Full Specifications

GPU ID
amd-mobility-radeon-hd-3870
Vendor
amd
Manufacturer
ATI
GPU Chip
M88
Architecture
TeraScale
Generation
M8x(Mobility HD 3800)
Process
55.0nm
Transistors
0.67B
Die Size
192.0 mm²
Release
2008-06-04
Bus Interface
PCIe 2.0 x16
Base Clock
660.0 MHz
Boost Clock
660.0 MHz
Memory
512 MB GDDR3
Memory Bus
256.0-bit
Bandwidth
54.4 GB/s
Shaders
320.0
TMUs
16.0
ROPs
16.0
TDP
55.0W
FP32
0.42 TFLOPS
FP64
0.08 TFLOPS
Source
TechPowerUp
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Related GPUs

GPUs with the closest value on each axis. A descriptive neighbourhood derived from the calculated indices — not a recommendation.

Closest Overall Performance Index

GeForce GTS 450 Rev. 2 1.0 QOV 1.0 / 100 GeForce GTS 450 OEM 1.0 QOV 1.0 / 100 GeForce GTS 450 1.0 QOV 1.0 / 100

Closest Graphics Index

GeForce GT 720 OEM 1.0 QGP 1.0 / 100 GeForce GT 640M LE 1.0 QGP 1.0 / 100 GeForce GT 340 OEM 1.0 QGP 1.0 / 100

Closest Memory Bandwidth

GeForce GTS 260M 54.4 GB/s QME 0.9 / 100 GeForce GT 240 54.4 GB/s QME 0.5 / 100 Mobility Radeon HD 3870 X2 54.4 GB/s QME 0.9 / 100
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